Home / 7,812,088.76-11,670,618.85-5,057,193.20

Finding the Fourth Proportional to 7,812,088.76, 11,670,618.85 and 5,057,193.20

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Solution

The fourth proportional to 7,812,088.76, 11,670,618.85 and 5,057,193.20 is: 7,555,031.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,812,088.76 : 11,670,618.85 = 5,057,193.20 : x
  2. Step 2: Convert to fraction form
    7,812,088.76/11,670,618.85 = 5,057,193.20/x
  3. Step 3: Cross multiply
    7,812,088.76x = 11,670,618.85 × 5,057,193.20
  4. Step 4: Simplify right side
    7,812,088.76x = 59,020,574,217,015.75
  5. Step 5: Solve for x
    x = 59,020,574,217,015.75/7,812,088.76
  6. Step 6: Final answer
    x = 7,555,031.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.