Home / 8,989,307.20-13,484,354.40-2,600,205.40

Finding the Fourth Proportional to 8,989,307.20, 13,484,354.40 and 2,600,205.40

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Solution

The fourth proportional to 8,989,307.20, 13,484,354.40 and 2,600,205.40 is: 3,900,421.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989,307.20 : 13,484,354.40 = 2,600,205.40 : x
  2. Step 2: Convert to fraction form
    8,989,307.20/13,484,354.40 = 2,600,205.40/x
  3. Step 3: Cross multiply
    8,989,307.20x = 13,484,354.40 × 2,600,205.40
  4. Step 4: Simplify right side
    8,989,307.20x = 35,062,091,126,393.76
  5. Step 5: Solve for x
    x = 35,062,091,126,393.76/8,989,307.20
  6. Step 6: Final answer
    x = 3,900,421.95

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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.