Home / 18,602,506.86-25,672,897.43-11,160,447.72

Finding the Fourth Proportional to 18,602,506.86, 25,672,897.43 and 11,160,447.72

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Solution

The fourth proportional to 18,602,506.86, 25,672,897.43 and 11,160,447.72 is: 15,402,280.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,602,506.86 : 25,672,897.43 = 11,160,447.72 : x
  2. Step 2: Convert to fraction form
    18,602,506.86/25,672,897.43 = 11,160,447.72/x
  3. Step 3: Cross multiply
    18,602,506.86x = 25,672,897.43 × 11,160,447.72
  4. Step 4: Simplify right side
    18,602,506.86x = 286,521,029,588,437.38
  5. Step 5: Solve for x
    x = 286,521,029,588,437.38/18,602,506.86
  6. Step 6: Final answer
    x = 15,402,280.55

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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.