Home / 15,153,154.80-20,911,803.48-8,277,750.96

Finding the Fourth Proportional to 15,153,154.80, 20,911,803.48 and 8,277,750.96

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Solution

The fourth proportional to 15,153,154.80, 20,911,803.48 and 8,277,750.96 is: 11,423,542.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,153,154.80 : 20,911,803.48 = 8,277,750.96 : x
  2. Step 2: Convert to fraction form
    15,153,154.80/20,911,803.48 = 8,277,750.96/x
  3. Step 3: Cross multiply
    15,153,154.80x = 20,911,803.48 × 8,277,750.96
  4. Step 4: Simplify right side
    15,153,154.80x = 173,102,701,331,901.34
  5. Step 5: Solve for x
    x = 173,102,701,331,901.34/15,153,154.80
  6. Step 6: Final answer
    x = 11,423,542.07

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1.5x scale

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.