Home / 13,446,392.72-18,553,706.98-7,565,210.73

Finding the Fourth Proportional to 13,446,392.72, 18,553,706.98 and 7,565,210.73

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Solution

The fourth proportional to 13,446,392.72, 18,553,706.98 and 7,565,210.73 is: 10,438,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446,392.72 : 18,553,706.98 = 7,565,210.73 : x
  2. Step 2: Convert to fraction form
    13,446,392.72/18,553,706.98 = 7,565,210.73/x
  3. Step 3: Cross multiply
    13,446,392.72x = 18,553,706.98 × 7,565,210.73
  4. Step 4: Simplify right side
    13,446,392.72x = 140,362,703,186,472.42
  5. Step 5: Solve for x
    x = 140,362,703,186,472.42/13,446,392.72
  6. Step 6: Final answer
    x = 10,438,688.36

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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.