Home / 9,871,352-13,623,159.95-5,520,843.11

Finding the Fourth Proportional to 9,871,352, 13,623,159.95 and 5,520,843.11

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Solution

The fourth proportional to 9,871,352, 13,623,159.95 and 5,520,843.11 is: 7,619,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,871,352 : 13,623,159.95 = 5,520,843.11 : x
  2. Step 2: Convert to fraction form
    9,871,352/13,623,159.95 = 5,520,843.11/x
  3. Step 3: Cross multiply
    9,871,352x = 13,623,159.95 × 5,520,843.11
  4. Step 4: Simplify right side
    9,871,352x = 75,211,328,746,385.44
  5. Step 5: Solve for x
    x = 75,211,328,746,385.44/9,871,352
  6. Step 6: Final answer
    x = 7,619,151.74

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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.