Home / 28,457,988.60-42,680,594.10-13,090,519.16

Finding the Fourth Proportional to 28,457,988.60, 42,680,594.10 and 13,090,519.16

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Solution

The fourth proportional to 28,457,988.60, 42,680,594.10 and 13,090,519.16 is: 19,632,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,988.60 : 42,680,594.10 = 13,090,519.16 : x
  2. Step 2: Convert to fraction form
    28,457,988.60/42,680,594.10 = 13,090,519.16/x
  3. Step 3: Cross multiply
    28,457,988.60x = 42,680,594.10 × 13,090,519.16
  4. Step 4: Simplify right side
    28,457,988.60x = 558,711,134,826,233
  5. Step 5: Solve for x
    x = 558,711,134,826,233/28,457,988.60
  6. Step 6: Final answer
    x = 19,632,839.93

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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.