Home / 8,657,622.46-12,988,204.89-2,977,109.02

Finding the Fourth Proportional to 8,657,622.46, 12,988,204.89 and 2,977,109.02

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Solution

The fourth proportional to 8,657,622.46, 12,988,204.89 and 2,977,109.02 is: 4,466,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,622.46 : 12,988,204.89 = 2,977,109.02 : x
  2. Step 2: Convert to fraction form
    8,657,622.46/12,988,204.89 = 2,977,109.02/x
  3. Step 3: Cross multiply
    8,657,622.46x = 12,988,204.89 × 2,977,109.02
  4. Step 4: Simplify right side
    8,657,622.46x = 38,667,301,931,627.11
  5. Step 5: Solve for x
    x = 38,667,301,931,627.11/8,657,622.46
  6. Step 6: Final answer
    x = 4,466,272.60

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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.