Home / 28,457,989.60-42,680,595.60-13,090,520.16

Finding the Fourth Proportional to 28,457,989.60, 42,680,595.60 and 13,090,520.16

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Solution

The fourth proportional to 28,457,989.60, 42,680,595.60 and 13,090,520.16 is: 19,632,841.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,989.60 : 42,680,595.60 = 13,090,520.16 : x
  2. Step 2: Convert to fraction form
    28,457,989.60/42,680,595.60 = 13,090,520.16/x
  3. Step 3: Cross multiply
    28,457,989.60x = 42,680,595.60 × 13,090,520.16
  4. Step 4: Simplify right side
    28,457,989.60x = 558,711,197,142,607.31
  5. Step 5: Solve for x
    x = 558,711,197,142,607.31/28,457,989.60
  6. Step 6: Final answer
    x = 19,632,841.43

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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.