Home / 8,756,520.40-13,134,780.60-4,977,384.40

Finding the Fourth Proportional to 8,756,520.40, 13,134,780.60 and 4,977,384.40

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Solution

The fourth proportional to 8,756,520.40, 13,134,780.60 and 4,977,384.40 is: 7,466,076.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756,520.40 : 13,134,780.60 = 4,977,384.40 : x
  2. Step 2: Convert to fraction form
    8,756,520.40/13,134,780.60 = 4,977,384.40/x
  3. Step 3: Cross multiply
    8,756,520.40x = 13,134,780.60 × 4,977,384.40
  4. Step 4: Simplify right side
    8,756,520.40x = 65,376,852,055,862.64
  5. Step 5: Solve for x
    x = 65,376,852,055,862.64/8,756,520.40
  6. Step 6: Final answer
    x = 7,466,076.60

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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.