Home / 15,584,677.08-21,506,883.51-8,709,159.15

Finding the Fourth Proportional to 15,584,677.08, 21,506,883.51 and 8,709,159.15

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Solution

The fourth proportional to 15,584,677.08, 21,506,883.51 and 8,709,159.15 is: 12,018,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,677.08 : 21,506,883.51 = 8,709,159.15 : x
  2. Step 2: Convert to fraction form
    15,584,677.08/21,506,883.51 = 8,709,159.15/x
  3. Step 3: Cross multiply
    15,584,677.08x = 21,506,883.51 × 8,709,159.15
  4. Step 4: Simplify right side
    15,584,677.08x = 187,306,871,309,100.62
  5. Step 5: Solve for x
    x = 187,306,871,309,100.62/15,584,677.08
  6. Step 6: Final answer
    x = 12,018,655.91

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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.