Home / 13,658,935.40-20,488,403.10-13,029,079.40

Finding the Fourth Proportional to 13,658,935.40, 20,488,403.10 and 13,029,079.40

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Solution

The fourth proportional to 13,658,935.40, 20,488,403.10 and 13,029,079.40 is: 19,543,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,935.40 : 20,488,403.10 = 13,029,079.40 : x
  2. Step 2: Convert to fraction form
    13,658,935.40/20,488,403.10 = 13,029,079.40/x
  3. Step 3: Cross multiply
    13,658,935.40x = 20,488,403.10 × 13,029,079.40
  4. Step 4: Simplify right side
    13,658,935.40x = 266,945,030,769,106.16
  5. Step 5: Solve for x
    x = 266,945,030,769,106.16/13,658,935.40
  6. Step 6: Final answer
    x = 19,543,619.10

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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.