Home / 28,457,980.59-42,680,582.11-13,090,511.15

Finding the Fourth Proportional to 28,457,980.59, 42,680,582.11 and 13,090,511.15

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Solution

The fourth proportional to 28,457,980.59, 42,680,582.11 and 13,090,511.15 is: 19,632,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,457,980.59 : 42,680,582.11 = 13,090,511.15 : x
  2. Step 2: Convert to fraction form
    28,457,980.59/42,680,582.11 = 13,090,511.15/x
  3. Step 3: Cross multiply
    28,457,980.59x = 42,680,582.11 × 13,090,511.15
  4. Step 4: Simplify right side
    28,457,980.59x = 558,710,635,720,590
  5. Step 5: Solve for x
    x = 558,710,635,720,590/28,457,980.59
  6. Step 6: Final answer
    x = 19,632,827.91

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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.