Home / 10,219,104.10-15,315,631.35-5,429,088.10

Finding the Fourth Proportional to 10,219,104.10, 15,315,631.35 and 5,429,088.10

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Solution

The fourth proportional to 10,219,104.10, 15,315,631.35 and 5,429,088.10 is: 8,136,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219,104.10 : 15,315,631.35 = 5,429,088.10 : x
  2. Step 2: Convert to fraction form
    10,219,104.10/15,315,631.35 = 5,429,088.10/x
  3. Step 3: Cross multiply
    10,219,104.10x = 15,315,631.35 × 5,429,088.10
  4. Step 4: Simplify right side
    10,219,104.10x = 83,149,911,906,271.92
  5. Step 5: Solve for x
    x = 83,149,911,906,271.92/10,219,104.10
  6. Step 6: Final answer
    x = 8,136,712.48

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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.