Home / 13,886,425.60-20,801,644.80-9,631,398.40

Finding the Fourth Proportional to 13,886,425.60, 20,801,644.80 and 9,631,398.40

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Solution

The fourth proportional to 13,886,425.60, 20,801,644.80 and 9,631,398.40 is: 14,427,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,425.60 : 20,801,644.80 = 9,631,398.40 : x
  2. Step 2: Convert to fraction form
    13,886,425.60/20,801,644.80 = 9,631,398.40/x
  3. Step 3: Cross multiply
    13,886,425.60x = 20,801,644.80 × 9,631,398.40
  4. Step 4: Simplify right side
    13,886,425.60x = 200,348,928,444,088.34
  5. Step 5: Solve for x
    x = 200,348,928,444,088.34/13,886,425.60
  6. Step 6: Final answer
    x = 14,427,681.70

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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.