Home / 7,752,920.10-10,696,159.98-7,740,962.88

Finding the Fourth Proportional to 7,752,920.10, 10,696,159.98 and 7,740,962.88

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Solution

The fourth proportional to 7,752,920.10, 10,696,159.98 and 7,740,962.88 is: 10,679,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,752,920.10 : 10,696,159.98 = 7,740,962.88 : x
  2. Step 2: Convert to fraction form
    7,752,920.10/10,696,159.98 = 7,740,962.88/x
  3. Step 3: Cross multiply
    7,752,920.10x = 10,696,159.98 × 7,740,962.88
  4. Step 4: Simplify right side
    7,752,920.10x = 82,798,577,363,721.55
  5. Step 5: Solve for x
    x = 82,798,577,363,721.55/7,752,920.10
  6. Step 6: Final answer
    x = 10,679,663.44

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1.5x scale

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.