Home / 28,248,328.90-42,372,493.35-21,871,036.90

Finding the Fourth Proportional to 28,248,328.90, 42,372,493.35 and 21,871,036.90

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Solution

The fourth proportional to 28,248,328.90, 42,372,493.35 and 21,871,036.90 is: 32,806,555.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248,328.90 : 42,372,493.35 = 21,871,036.90 : x
  2. Step 2: Convert to fraction form
    28,248,328.90/42,372,493.35 = 21,871,036.90/x
  3. Step 3: Cross multiply
    28,248,328.90x = 42,372,493.35 × 21,871,036.90
  4. Step 4: Simplify right side
    28,248,328.90x = 926,730,365,602,854.62
  5. Step 5: Solve for x
    x = 926,730,365,602,854.62/28,248,328.90
  6. Step 6: Final answer
    x = 32,806,555.35

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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.