Home / 28,296,439.40-42,444,659.10-10,109,347.40

Finding the Fourth Proportional to 28,296,439.40, 42,444,659.10 and 10,109,347.40

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Solution

The fourth proportional to 28,296,439.40, 42,444,659.10 and 10,109,347.40 is: 15,164,021.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296,439.40 : 42,444,659.10 = 10,109,347.40 : x
  2. Step 2: Convert to fraction form
    28,296,439.40/42,444,659.10 = 10,109,347.40/x
  3. Step 3: Cross multiply
    28,296,439.40x = 42,444,659.10 × 10,109,347.40
  4. Step 4: Simplify right side
    28,296,439.40x = 429,087,804,116,471.38
  5. Step 5: Solve for x
    x = 429,087,804,116,471.38/28,296,439.40
  6. Step 6: Final answer
    x = 15,164,021.10

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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.