Home / 42,774,812.20-64,177,964.70-14,021,885.80

Finding the Fourth Proportional to 42,774,812.20, 64,177,964.70 and 14,021,885.80

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Solution

The fourth proportional to 42,774,812.20, 64,177,964.70 and 14,021,885.80 is: 21,037,990.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,812.20 : 64,177,964.70 = 14,021,885.80 : x
  2. Step 2: Convert to fraction form
    42,774,812.20/64,177,964.70 = 14,021,885.80/x
  3. Step 3: Cross multiply
    42,774,812.20x = 64,177,964.70 × 14,021,885.80
  4. Step 4: Simplify right side
    42,774,812.20x = 899,896,091,899,831.38
  5. Step 5: Solve for x
    x = 899,896,091,899,831.38/42,774,812.20
  6. Step 6: Final answer
    x = 21,037,990.48

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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.