Home / 40,286,721.40-60,430,082.10-13,356,878.20

Finding the Fourth Proportional to 40,286,721.40, 60,430,082.10 and 13,356,878.20

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Solution

The fourth proportional to 40,286,721.40, 60,430,082.10 and 13,356,878.20 is: 20,035,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286,721.40 : 60,430,082.10 = 13,356,878.20 : x
  2. Step 2: Convert to fraction form
    40,286,721.40/60,430,082.10 = 13,356,878.20/x
  3. Step 3: Cross multiply
    40,286,721.40x = 60,430,082.10 × 13,356,878.20
  4. Step 4: Simplify right side
    40,286,721.40x = 807,157,246,225,700.25
  5. Step 5: Solve for x
    x = 807,157,246,225,700.25/40,286,721.40
  6. Step 6: Final answer
    x = 20,035,317.30

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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.