Home / 28,590,666.66-39,455,422.29-15,537,925.26

Finding the Fourth Proportional to 28,590,666.66, 39,455,422.29 and 15,537,925.26

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Solution

The fourth proportional to 28,590,666.66, 39,455,422.29 and 15,537,925.26 is: 21,442,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590,666.66 : 39,455,422.29 = 15,537,925.26 : x
  2. Step 2: Convert to fraction form
    28,590,666.66/39,455,422.29 = 15,537,925.26/x
  3. Step 3: Cross multiply
    28,590,666.66x = 39,455,422.29 × 15,537,925.26
  4. Step 4: Simplify right side
    28,590,666.66x = 613,055,402,643,758
  5. Step 5: Solve for x
    x = 613,055,402,643,758/28,590,666.66
  6. Step 6: Final answer
    x = 21,442,501.15

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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.