Home / 10,287,007.70-15,430,511.55-9,342,223.70

Finding the Fourth Proportional to 10,287,007.70, 15,430,511.55 and 9,342,223.70

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Solution

The fourth proportional to 10,287,007.70, 15,430,511.55 and 9,342,223.70 is: 14,013,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,287,007.70 : 15,430,511.55 = 9,342,223.70 : x
  2. Step 2: Convert to fraction form
    10,287,007.70/15,430,511.55 = 9,342,223.70/x
  3. Step 3: Cross multiply
    10,287,007.70x = 15,430,511.55 × 9,342,223.70
  4. Step 4: Simplify right side
    10,287,007.70x = 144,155,290,705,533.72
  5. Step 5: Solve for x
    x = 144,155,290,705,533.72/10,287,007.70
  6. Step 6: Final answer
    x = 14,013,335.55

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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.