Home / 10,615,005.59-15,899,169.44-8,772,488.87

Finding the Fourth Proportional to 10,615,005.59, 15,899,169.44 and 8,772,488.87

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Solution

The fourth proportional to 10,615,005.59, 15,899,169.44 and 8,772,488.87 is: 13,139,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,615,005.59 : 15,899,169.44 = 8,772,488.87 : x
  2. Step 2: Convert to fraction form
    10,615,005.59/15,899,169.44 = 8,772,488.87/x
  3. Step 3: Cross multiply
    10,615,005.59x = 15,899,169.44 × 8,772,488.87
  4. Step 4: Simplify right side
    10,615,005.59x = 139,475,286,897,079.52
  5. Step 5: Solve for x
    x = 139,475,286,897,079.52/10,615,005.59
  6. Step 6: Final answer
    x = 13,139,445.46

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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.