Home / 14,013,742.29-19,338,937.64-7,818,420.39

Finding the Fourth Proportional to 14,013,742.29, 19,338,937.64 and 7,818,420.39

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Solution

The fourth proportional to 14,013,742.29, 19,338,937.64 and 7,818,420.39 is: 10,789,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,742.29 : 19,338,937.64 = 7,818,420.39 : x
  2. Step 2: Convert to fraction form
    14,013,742.29/19,338,937.64 = 7,818,420.39/x
  3. Step 3: Cross multiply
    14,013,742.29x = 19,338,937.64 × 7,818,420.39
  4. Step 4: Simplify right side
    14,013,742.29x = 151,199,944,326,422.38
  5. Step 5: Solve for x
    x = 151,199,944,326,422.38/14,013,742.29
  6. Step 6: Final answer
    x = 10,789,405.23

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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.