Home / 8,142,854.40-12,214,281.60-8,068,204.80

Finding the Fourth Proportional to 8,142,854.40, 12,214,281.60 and 8,068,204.80

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Solution

The fourth proportional to 8,142,854.40, 12,214,281.60 and 8,068,204.80 is: 12,102,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,854.40 : 12,214,281.60 = 8,068,204.80 : x
  2. Step 2: Convert to fraction form
    8,142,854.40/12,214,281.60 = 8,068,204.80/x
  3. Step 3: Cross multiply
    8,142,854.40x = 12,214,281.60 × 8,068,204.80
  4. Step 4: Simplify right side
    8,142,854.40x = 98,547,325,433,671.67
  5. Step 5: Solve for x
    x = 98,547,325,433,671.67/8,142,854.40
  6. Step 6: Final answer
    x = 12,102,307.20

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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.