Home / 11,812,101.60-17,718,152.40-11,700,127.20

Finding the Fourth Proportional to 11,812,101.60, 17,718,152.40 and 11,700,127.20

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Solution

The fourth proportional to 11,812,101.60, 17,718,152.40 and 11,700,127.20 is: 17,550,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812,101.60 : 17,718,152.40 = 11,700,127.20 : x
  2. Step 2: Convert to fraction form
    11,812,101.60/17,718,152.40 = 11,700,127.20/x
  3. Step 3: Cross multiply
    11,812,101.60x = 17,718,152.40 × 11,700,127.20
  4. Step 4: Simplify right side
    11,812,101.60x = 207,304,636,828,985.25
  5. Step 5: Solve for x
    x = 207,304,636,828,985.25/11,812,101.60
  6. Step 6: Final answer
    x = 17,550,190.80

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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.