Home / 10,752,802.60-16,129,203.90-7,169,621.80

Finding the Fourth Proportional to 10,752,802.60, 16,129,203.90 and 7,169,621.80

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Solution

The fourth proportional to 10,752,802.60, 16,129,203.90 and 7,169,621.80 is: 10,754,432.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,802.60 : 16,129,203.90 = 7,169,621.80 : x
  2. Step 2: Convert to fraction form
    10,752,802.60/16,129,203.90 = 7,169,621.80/x
  3. Step 3: Cross multiply
    10,752,802.60x = 16,129,203.90 × 7,169,621.80
  4. Step 4: Simplify right side
    10,752,802.60x = 115,640,291,898,085.02
  5. Step 5: Solve for x
    x = 115,640,291,898,085.02/10,752,802.60
  6. Step 6: Final answer
    x = 10,754,432.70

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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.