Home / 12,735,280.80-19,102,921.20-6,357,988.80

Finding the Fourth Proportional to 12,735,280.80, 19,102,921.20 and 6,357,988.80

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Solution

The fourth proportional to 12,735,280.80, 19,102,921.20 and 6,357,988.80 is: 9,536,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735,280.80 : 19,102,921.20 = 6,357,988.80 : x
  2. Step 2: Convert to fraction form
    12,735,280.80/19,102,921.20 = 6,357,988.80/x
  3. Step 3: Cross multiply
    12,735,280.80x = 19,102,921.20 × 6,357,988.80
  4. Step 4: Simplify right side
    12,735,280.80x = 121,456,159,036,882.55
  5. Step 5: Solve for x
    x = 121,456,159,036,882.55/12,735,280.80
  6. Step 6: Final answer
    x = 9,536,983.20

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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.