Home / 28,071,000.90-42,106,501.35-15,977,765.70

Finding the Fourth Proportional to 28,071,000.90, 42,106,501.35 and 15,977,765.70

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Solution

The fourth proportional to 28,071,000.90, 42,106,501.35 and 15,977,765.70 is: 23,966,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071,000.90 : 42,106,501.35 = 15,977,765.70 : x
  2. Step 2: Convert to fraction form
    28,071,000.90/42,106,501.35 = 15,977,765.70/x
  3. Step 3: Cross multiply
    28,071,000.90x = 42,106,501.35 × 15,977,765.70
  4. Step 4: Simplify right side
    28,071,000.90x = 672,767,813,017,033.62
  5. Step 5: Solve for x
    x = 672,767,813,017,033.62/28,071,000.90
  6. Step 6: Final answer
    x = 23,966,648.55

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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.