Home / 28,087,742.48-38,759,126.82-15,862,237.52

Finding the Fourth Proportional to 28,087,742.48, 38,759,126.82 and 15,862,237.52

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Solution

The fourth proportional to 28,087,742.48, 38,759,126.82 and 15,862,237.52 is: 21,888,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,087,742.48 : 38,759,126.82 = 15,862,237.52 : x
  2. Step 2: Convert to fraction form
    28,087,742.48/38,759,126.82 = 15,862,237.52/x
  3. Step 3: Cross multiply
    28,087,742.48x = 38,759,126.82 × 15,862,237.52
  4. Step 4: Simplify right side
    28,087,742.48x = 614,806,475,686,642.25
  5. Step 5: Solve for x
    x = 614,806,475,686,642.25/28,087,742.48
  6. Step 6: Final answer
    x = 21,888,782.13

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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.