Home / 12,327,489.90-17,012,437.02-6,820,775.10

Finding the Fourth Proportional to 12,327,489.90, 17,012,437.02 and 6,820,775.10

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Solution

The fourth proportional to 12,327,489.90, 17,012,437.02 and 6,820,775.10 is: 9,412,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,327,489.90 : 17,012,437.02 = 6,820,775.10 : x
  2. Step 2: Convert to fraction form
    12,327,489.90/17,012,437.02 = 6,820,775.10/x
  3. Step 3: Cross multiply
    12,327,489.90x = 17,012,437.02 × 6,820,775.10
  4. Step 4: Simplify right side
    12,327,489.90x = 116,038,006,816,334.19
  5. Step 5: Solve for x
    x = 116,038,006,816,334.19/12,327,489.90
  6. Step 6: Final answer
    x = 9,412,946.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.