Home / 28,108,570.86-38,789,931.95-16,350,660.47

Finding the Fourth Proportional to 28,108,570.86, 38,789,931.95 and 16,350,660.47

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Solution

The fourth proportional to 28,108,570.86, 38,789,931.95 and 16,350,660.47 is: 22,563,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108,570.86 : 38,789,931.95 = 16,350,660.47 : x
  2. Step 2: Convert to fraction form
    28,108,570.86/38,789,931.95 = 16,350,660.47/x
  3. Step 3: Cross multiply
    28,108,570.86x = 38,789,931.95 × 16,350,660.47
  4. Step 4: Simplify right side
    28,108,570.86x = 634,241,007,045,391.50
  5. Step 5: Solve for x
    x = 634,241,007,045,391.50/28,108,570.86
  6. Step 6: Final answer
    x = 22,563,972.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.