Home / 10,290,397.41-14,200,768.80-5,644,220.40

Finding the Fourth Proportional to 10,290,397.41, 14,200,768.80 and 5,644,220.40

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Solution

The fourth proportional to 10,290,397.41, 14,200,768.80 and 5,644,220.40 is: 7,789,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,397.41 : 14,200,768.80 = 5,644,220.40 : x
  2. Step 2: Convert to fraction form
    10,290,397.41/14,200,768.80 = 5,644,220.40/x
  3. Step 3: Cross multiply
    10,290,397.41x = 14,200,768.80 × 5,644,220.40
  4. Step 4: Simplify right side
    10,290,397.41x = 80,152,268,956,643.53
  5. Step 5: Solve for x
    x = 80,152,268,956,643.53/10,290,397.41
  6. Step 6: Final answer
    x = 7,789,035.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.