Home / 8,168,403.60-12,252,605.40-7,636,962.60

Finding the Fourth Proportional to 8,168,403.60, 12,252,605.40 and 7,636,962.60

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Solution

The fourth proportional to 8,168,403.60, 12,252,605.40 and 7,636,962.60 is: 11,455,443.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,403.60 : 12,252,605.40 = 7,636,962.60 : x
  2. Step 2: Convert to fraction form
    8,168,403.60/12,252,605.40 = 7,636,962.60/x
  3. Step 3: Cross multiply
    8,168,403.60x = 12,252,605.40 × 7,636,962.60
  4. Step 4: Simplify right side
    8,168,403.60x = 93,572,689,192,358.03
  5. Step 5: Solve for x
    x = 93,572,689,192,358.03/8,168,403.60
  6. Step 6: Final answer
    x = 11,455,443.90

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1.5x scale

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.