Home / 21,612,332.81-32,366,547.02-12,362,270.10

Finding the Fourth Proportional to 21,612,332.81, 32,366,547.02 and 12,362,270.10

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Solution

The fourth proportional to 21,612,332.81, 32,366,547.02 and 12,362,270.10 is: 18,513,688.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,612,332.81 : 32,366,547.02 = 12,362,270.10 : x
  2. Step 2: Convert to fraction form
    21,612,332.81/32,366,547.02 = 12,362,270.10/x
  3. Step 3: Cross multiply
    21,612,332.81x = 32,366,547.02 × 12,362,270.10
  4. Step 4: Simplify right side
    21,612,332.81x = 400,123,996,403,778.75
  5. Step 5: Solve for x
    x = 400,123,996,403,778.75/21,612,332.81
  6. Step 6: Final answer
    x = 18,513,688.46

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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.