Home / 8,119,430.25-12,175,505.23-4,838,332.16

Finding the Fourth Proportional to 8,119,430.25, 12,175,505.23 and 4,838,332.16

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Solution

The fourth proportional to 8,119,430.25, 12,175,505.23 and 4,838,332.16 is: 7,255,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119,430.25 : 12,175,505.23 = 4,838,332.16 : x
  2. Step 2: Convert to fraction form
    8,119,430.25/12,175,505.23 = 4,838,332.16/x
  3. Step 3: Cross multiply
    8,119,430.25x = 12,175,505.23 × 4,838,332.16
  4. Step 4: Simplify right side
    8,119,430.25x = 58,909,138,545,971.99
  5. Step 5: Solve for x
    x = 58,909,138,545,971.99/8,119,430.25
  6. Step 6: Final answer
    x = 7,255,329.10

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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.