Home / 8,619,987.72-12,937,981.14-4,363,172.04

Finding the Fourth Proportional to 8,619,987.72, 12,937,981.14 and 4,363,172.04

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Solution

The fourth proportional to 8,619,987.72, 12,937,981.14 and 4,363,172.04 is: 6,548,807.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,619,987.72 : 12,937,981.14 = 4,363,172.04 : x
  2. Step 2: Convert to fraction form
    8,619,987.72/12,937,981.14 = 4,363,172.04/x
  3. Step 3: Cross multiply
    8,619,987.72x = 12,937,981.14 × 4,363,172.04
  4. Step 4: Simplify right side
    8,619,987.72x = 56,450,637,564,095.33
  5. Step 5: Solve for x
    x = 56,450,637,564,095.33/8,619,987.72
  6. Step 6: Final answer
    x = 6,548,807.19

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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.