Home / 15,584,711.04-21,506,180.40-8,709,132.96

Finding the Fourth Proportional to 15,584,711.04, 21,506,180.40 and 8,709,132.96

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Solution

The fourth proportional to 15,584,711.04, 21,506,180.40 and 8,709,132.96 is: 12,018,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584,711.04 : 21,506,180.40 = 8,709,132.96 : x
  2. Step 2: Convert to fraction form
    15,584,711.04/21,506,180.40 = 8,709,132.96/x
  3. Step 3: Cross multiply
    15,584,711.04x = 21,506,180.40 × 8,709,132.96
  4. Step 4: Simplify right side
    15,584,711.04x = 187,300,184,565,346
  5. Step 5: Solve for x
    x = 187,300,184,565,346/15,584,711.04
  6. Step 6: Final answer
    x = 12,018,200.66

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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.