Home / 9,180,822.40-13,754,644.80-8,119,139.20

Finding the Fourth Proportional to 9,180,822.40, 13,754,644.80 and 8,119,139.20

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Solution

The fourth proportional to 9,180,822.40, 13,754,644.80 and 8,119,139.20 is: 12,164,038.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,822.40 : 13,754,644.80 = 8,119,139.20 : x
  2. Step 2: Convert to fraction form
    9,180,822.40/13,754,644.80 = 8,119,139.20/x
  3. Step 3: Cross multiply
    9,180,822.40x = 13,754,644.80 × 8,119,139.20
  4. Step 4: Simplify right side
    9,180,822.40x = 111,675,875,777,756.17
  5. Step 5: Solve for x
    x = 111,675,875,777,756.17/9,180,822.40
  6. Step 6: Final answer
    x = 12,164,038.35

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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.