Home / 20,432,269.02-30,655,876.93-9,507,668.90

Finding the Fourth Proportional to 20,432,269.02, 30,655,876.93 and 9,507,668.90

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Solution

The fourth proportional to 20,432,269.02, 30,655,876.93 and 9,507,668.90 is: 14,264,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,432,269.02 : 30,655,876.93 = 9,507,668.90 : x
  2. Step 2: Convert to fraction form
    20,432,269.02/30,655,876.93 = 9,507,668.90/x
  3. Step 3: Cross multiply
    20,432,269.02x = 30,655,876.93 × 9,507,668.90
  4. Step 4: Simplify right side
    20,432,269.02x = 291,465,927,566,020.56
  5. Step 5: Solve for x
    x = 291,465,927,566,020.56/20,432,269.02
  6. Step 6: Final answer
    x = 14,264,980.91

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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.