Home / 9,792,057.60-13,482,806.40-8,140,435.20

Finding the Fourth Proportional to 9,792,057.60, 13,482,806.40 and 8,140,435.20

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Solution

The fourth proportional to 9,792,057.60, 13,482,806.40 and 8,140,435.20 is: 11,208,666.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,792,057.60 : 13,482,806.40 = 8,140,435.20 : x
  2. Step 2: Convert to fraction form
    9,792,057.60/13,482,806.40 = 8,140,435.20/x
  3. Step 3: Cross multiply
    9,792,057.60x = 13,482,806.40 × 8,140,435.20
  4. Step 4: Simplify right side
    9,792,057.60x = 109,755,911,813,345.28
  5. Step 5: Solve for x
    x = 109,755,911,813,345.28/9,792,057.60
  6. Step 6: Final answer
    x = 11,208,666.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.