Home / 21,546,272.78-32,319,196.16-9,871,332.59

Finding the Fourth Proportional to 21,546,272.78, 32,319,196.16 and 9,871,332.59

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Solution

The fourth proportional to 21,546,272.78, 32,319,196.16 and 9,871,332.59 is: 14,806,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546,272.78 : 32,319,196.16 = 9,871,332.59 : x
  2. Step 2: Convert to fraction form
    21,546,272.78/32,319,196.16 = 9,871,332.59/x
  3. Step 3: Cross multiply
    21,546,272.78x = 32,319,196.16 × 9,871,332.59
  4. Step 4: Simplify right side
    21,546,272.78x = 319,033,534,199,893.25
  5. Step 5: Solve for x
    x = 319,033,534,199,893.25/21,546,272.78
  6. Step 6: Final answer
    x = 14,806,901.29

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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.