Home / 8,655,477.60-12,984,382.80-2,977,442.40

Finding the Fourth Proportional to 8,655,477.60, 12,984,382.80 and 2,977,442.40

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Solution

The fourth proportional to 8,655,477.60, 12,984,382.80 and 2,977,442.40 is: 4,466,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,477.60 : 12,984,382.80 = 2,977,442.40 : x
  2. Step 2: Convert to fraction form
    8,655,477.60/12,984,382.80 = 2,977,442.40/x
  3. Step 3: Cross multiply
    8,655,477.60x = 12,984,382.80 × 2,977,442.40
  4. Step 4: Simplify right side
    8,655,477.60x = 38,660,251,886,550.72
  5. Step 5: Solve for x
    x = 38,660,251,886,550.72/8,655,477.60
  6. Step 6: Final answer
    x = 4,466,564.84

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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.