Home / 10,080,735.40-15,121,103.10-8,506,095.40

Finding the Fourth Proportional to 10,080,735.40, 15,121,103.10 and 8,506,095.40

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Solution

The fourth proportional to 10,080,735.40, 15,121,103.10 and 8,506,095.40 is: 12,759,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080,735.40 : 15,121,103.10 = 8,506,095.40 : x
  2. Step 2: Convert to fraction form
    10,080,735.40/15,121,103.10 = 8,506,095.40/x
  3. Step 3: Cross multiply
    10,080,735.40x = 15,121,103.10 × 8,506,095.40
  4. Step 4: Simplify right side
    10,080,735.40x = 128,621,545,521,835.75
  5. Step 5: Solve for x
    x = 128,621,545,521,835.75/10,080,735.40
  6. Step 6: Final answer
    x = 12,759,143.10

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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.