Home / 10,571,036.70-15,856,555.05-8,807,439.90

Finding the Fourth Proportional to 10,571,036.70, 15,856,555.05 and 8,807,439.90

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Solution

The fourth proportional to 10,571,036.70, 15,856,555.05 and 8,807,439.90 is: 13,211,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,571,036.70 : 15,856,555.05 = 8,807,439.90 : x
  2. Step 2: Convert to fraction form
    10,571,036.70/15,856,555.05 = 8,807,439.90/x
  3. Step 3: Cross multiply
    10,571,036.70x = 15,856,555.05 × 8,807,439.90
  4. Step 4: Simplify right side
    10,571,036.70x = 139,655,655,623,916.50
  5. Step 5: Solve for x
    x = 139,655,655,623,916.50/10,571,036.70
  6. Step 6: Final answer
    x = 13,211,159.85

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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.