Home / 21,308,564.70-31,926,105.45-9,925,667.10

Finding the Fourth Proportional to 21,308,564.70, 31,926,105.45 and 9,925,667.10

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Solution

The fourth proportional to 21,308,564.70, 31,926,105.45 and 9,925,667.10 is: 14,871,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308,564.70 : 31,926,105.45 = 9,925,667.10 : x
  2. Step 2: Convert to fraction form
    21,308,564.70/31,926,105.45 = 9,925,667.10/x
  3. Step 3: Cross multiply
    21,308,564.70x = 31,926,105.45 × 9,925,667.10
  4. Step 4: Simplify right side
    21,308,564.70x = 316,887,894,496,195.69
  5. Step 5: Solve for x
    x = 316,887,894,496,195.69/21,308,564.70
  6. Step 6: Final answer
    x = 14,871,386.18

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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.