Home / 21,724,623.40-32,607,930.30-13,221,567.40

Finding the Fourth Proportional to 21,724,623.40, 32,607,930.30 and 13,221,567.40

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Solution

The fourth proportional to 21,724,623.40, 32,607,930.30 and 13,221,567.40 is: 19,845,128.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724,623.40 : 32,607,930.30 = 13,221,567.40 : x
  2. Step 2: Convert to fraction form
    21,724,623.40/32,607,930.30 = 13,221,567.40/x
  3. Step 3: Cross multiply
    21,724,623.40x = 32,607,930.30 × 13,221,567.40
  4. Step 4: Simplify right side
    21,724,623.40x = 431,127,948,235,952.25
  5. Step 5: Solve for x
    x = 431,127,948,235,952.25/21,724,623.40
  6. Step 6: Final answer
    x = 19,845,128.74

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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.