Home / 21,062,289.40-31,593,434.10-9,724,881.40

Finding the Fourth Proportional to 21,062,289.40, 31,593,434.10 and 9,724,881.40

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Solution

The fourth proportional to 21,062,289.40, 31,593,434.10 and 9,724,881.40 is: 14,587,322.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,289.40 : 31,593,434.10 = 9,724,881.40 : x
  2. Step 2: Convert to fraction form
    21,062,289.40/31,593,434.10 = 9,724,881.40/x
  3. Step 3: Cross multiply
    21,062,289.40x = 31,593,434.10 × 9,724,881.40
  4. Step 4: Simplify right side
    21,062,289.40x = 307,242,399,641,215.75
  5. Step 5: Solve for x
    x = 307,242,399,641,215.75/21,062,289.40
  6. Step 6: Final answer
    x = 14,587,322.10

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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.