Home / 13,171,641.60-19,799,452.80-12,415,814.40

Finding the Fourth Proportional to 13,171,641.60, 19,799,452.80 and 12,415,814.40

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Solution

The fourth proportional to 13,171,641.60, 19,799,452.80 and 12,415,814.40 is: 18,663,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171,641.60 : 19,799,452.80 = 12,415,814.40 : x
  2. Step 2: Convert to fraction form
    13,171,641.60/19,799,452.80 = 12,415,814.40/x
  3. Step 3: Cross multiply
    13,171,641.60x = 19,799,452.80 × 12,415,814.40
  4. Step 4: Simplify right side
    13,171,641.60x = 245,826,331,186,360.34
  5. Step 5: Solve for x
    x = 245,826,331,186,360.34/13,171,641.60
  6. Step 6: Final answer
    x = 18,663,302.47

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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.