Home / 13,564,905.40-20,370,977.70-7,187,613.40

Finding the Fourth Proportional to 13,564,905.40, 20,370,977.70 and 7,187,613.40

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Solution

The fourth proportional to 13,564,905.40, 20,370,977.70 and 7,187,613.40 is: 10,793,935.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564,905.40 : 20,370,977.70 = 7,187,613.40 : x
  2. Step 2: Convert to fraction form
    13,564,905.40/20,370,977.70 = 7,187,613.40/x
  3. Step 3: Cross multiply
    13,564,905.40x = 20,370,977.70 × 7,187,613.40
  4. Step 4: Simplify right side
    13,564,905.40x = 146,418,712,287,621.19
  5. Step 5: Solve for x
    x = 146,418,712,287,621.19/13,564,905.40
  6. Step 6: Final answer
    x = 10,793,935.38

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1.5x scale

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.