Home / 15,075,987.40-22,613,981.10-7,889,724.10

Finding the Fourth Proportional to 15,075,987.40, 22,613,981.10 and 7,889,724.10

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Solution

The fourth proportional to 15,075,987.40, 22,613,981.10 and 7,889,724.10 is: 11,834,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,075,987.40 : 22,613,981.10 = 7,889,724.10 : x
  2. Step 2: Convert to fraction form
    15,075,987.40/22,613,981.10 = 7,889,724.10/x
  3. Step 3: Cross multiply
    15,075,987.40x = 22,613,981.10 × 7,889,724.10
  4. Step 4: Simplify right side
    15,075,987.40x = 178,418,071,681,614.50
  5. Step 5: Solve for x
    x = 178,418,071,681,614.50/15,075,987.40
  6. Step 6: Final answer
    x = 11,834,586.15

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Double scale
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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.