Home / 15,390,812.40-23,071,784.40-5,812,627.20

Finding the Fourth Proportional to 15,390,812.40, 23,071,784.40 and 5,812,627.20

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Solution

The fourth proportional to 15,390,812.40, 23,071,784.40 and 5,812,627.20 is: 8,713,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390,812.40 : 23,071,784.40 = 5,812,627.20 : x
  2. Step 2: Convert to fraction form
    15,390,812.40/23,071,784.40 = 5,812,627.20/x
  3. Step 3: Cross multiply
    15,390,812.40x = 23,071,784.40 × 5,812,627.20
  4. Step 4: Simplify right side
    15,390,812.40x = 134,107,681,555,975.67
  5. Step 5: Solve for x
    x = 134,107,681,555,975.67/15,390,812.40
  6. Step 6: Final answer
    x = 8,713,489.46

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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.