Home / 7,239,376.40-10,859,064.60-4,814,430.80

Finding the Fourth Proportional to 7,239,376.40, 10,859,064.60 and 4,814,430.80

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Solution

The fourth proportional to 7,239,376.40, 10,859,064.60 and 4,814,430.80 is: 7,221,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,376.40 : 10,859,064.60 = 4,814,430.80 : x
  2. Step 2: Convert to fraction form
    7,239,376.40/10,859,064.60 = 4,814,430.80/x
  3. Step 3: Cross multiply
    7,239,376.40x = 10,859,064.60 × 4,814,430.80
  4. Step 4: Simplify right side
    7,239,376.40x = 52,280,215,069,429.68
  5. Step 5: Solve for x
    x = 52,280,215,069,429.68/7,239,376.40
  6. Step 6: Final answer
    x = 7,221,646.20

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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.