Home / 16,730,061.80-25,119,975.90-12,947,815.40

Finding the Fourth Proportional to 16,730,061.80, 25,119,975.90 and 12,947,815.40

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Solution

The fourth proportional to 16,730,061.80, 25,119,975.90 and 12,947,815.40 is: 19,440,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,730,061.80 : 25,119,975.90 = 12,947,815.40 : x
  2. Step 2: Convert to fraction form
    16,730,061.80/25,119,975.90 = 12,947,815.40/x
  3. Step 3: Cross multiply
    16,730,061.80x = 25,119,975.90 × 12,947,815.40
  4. Step 4: Simplify right side
    16,730,061.80x = 325,248,810,805,648.88
  5. Step 5: Solve for x
    x = 325,248,810,805,648.88/16,730,061.80
  6. Step 6: Final answer
    x = 19,440,980.83

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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.