Home / 28,260,041.10-42,390,061.65-10,306,812.30

Finding the Fourth Proportional to 28,260,041.10, 42,390,061.65 and 10,306,812.30

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Solution

The fourth proportional to 28,260,041.10, 42,390,061.65 and 10,306,812.30 is: 15,460,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260,041.10 : 42,390,061.65 = 10,306,812.30 : x
  2. Step 2: Convert to fraction form
    28,260,041.10/42,390,061.65 = 10,306,812.30/x
  3. Step 3: Cross multiply
    28,260,041.10x = 42,390,061.65 × 10,306,812.30
  4. Step 4: Simplify right side
    28,260,041.10x = 436,906,408,811,978.31
  5. Step 5: Solve for x
    x = 436,906,408,811,978.31/28,260,041.10
  6. Step 6: Final answer
    x = 15,460,218.45

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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.