Home / 27,009,516.80-37,276,681.32-15,404,420

Finding the Fourth Proportional to 27,009,516.80, 37,276,681.32 and 15,404,420

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Solution

The fourth proportional to 27,009,516.80, 37,276,681.32 and 15,404,420 is: 21,260,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009,516.80 : 37,276,681.32 = 15,404,420 : x
  2. Step 2: Convert to fraction form
    27,009,516.80/37,276,681.32 = 15,404,420/x
  3. Step 3: Cross multiply
    27,009,516.80x = 37,276,681.32 × 15,404,420
  4. Step 4: Simplify right side
    27,009,516.80x = 574,225,655,259,434.38
  5. Step 5: Solve for x
    x = 574,225,655,259,434.38/27,009,516.80
  6. Step 6: Final answer
    x = 21,260,123.22

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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.