Home / 7,105,643.60-10,658,465.40-5,971,902.80

Finding the Fourth Proportional to 7,105,643.60, 10,658,465.40 and 5,971,902.80

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Solution

The fourth proportional to 7,105,643.60, 10,658,465.40 and 5,971,902.80 is: 8,957,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,643.60 : 10,658,465.40 = 5,971,902.80 : x
  2. Step 2: Convert to fraction form
    7,105,643.60/10,658,465.40 = 5,971,902.80/x
  3. Step 3: Cross multiply
    7,105,643.60x = 10,658,465.40 × 5,971,902.80
  4. Step 4: Simplify right side
    7,105,643.60x = 63,651,319,365,963.12
  5. Step 5: Solve for x
    x = 63,651,319,365,963.12/7,105,643.60
  6. Step 6: Final answer
    x = 8,957,854.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.