Home / 10,404,001.60-15,606,002.40-8,262,491.20

Finding the Fourth Proportional to 10,404,001.60, 15,606,002.40 and 8,262,491.20

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Solution

The fourth proportional to 10,404,001.60, 15,606,002.40 and 8,262,491.20 is: 12,393,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,404,001.60 : 15,606,002.40 = 8,262,491.20 : x
  2. Step 2: Convert to fraction form
    10,404,001.60/15,606,002.40 = 8,262,491.20/x
  3. Step 3: Cross multiply
    10,404,001.60x = 15,606,002.40 × 8,262,491.20
  4. Step 4: Simplify right side
    10,404,001.60x = 128,944,457,497,178.89
  5. Step 5: Solve for x
    x = 128,944,457,497,178.89/10,404,001.60
  6. Step 6: Final answer
    x = 12,393,736.80

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1.5x scale

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.