Home / 15,237,962.48-21,022,401.87-8,708,088.75

Finding the Fourth Proportional to 15,237,962.48, 21,022,401.87 and 8,708,088.75

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Solution

The fourth proportional to 15,237,962.48, 21,022,401.87 and 8,708,088.75 is: 12,013,741.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,237,962.48 : 21,022,401.87 = 8,708,088.75 : x
  2. Step 2: Convert to fraction form
    15,237,962.48/21,022,401.87 = 8,708,088.75/x
  3. Step 3: Cross multiply
    15,237,962.48x = 21,022,401.87 × 8,708,088.75
  4. Step 4: Simplify right side
    15,237,962.48x = 183,064,941,222,125.97
  5. Step 5: Solve for x
    x = 183,064,941,222,125.97/15,237,962.48
  6. Step 6: Final answer
    x = 12,013,741.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.