Home / 28,543,655.25-39,390,264.51-15,490,911.06

Finding the Fourth Proportional to 28,543,655.25, 39,390,264.51 and 15,490,911.06

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Solution

The fourth proportional to 28,543,655.25, 39,390,264.51 and 15,490,911.06 is: 21,377,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543,655.25 : 39,390,264.51 = 15,490,911.06 : x
  2. Step 2: Convert to fraction form
    28,543,655.25/39,390,264.51 = 15,490,911.06/x
  3. Step 3: Cross multiply
    28,543,655.25x = 39,390,264.51 × 15,490,911.06
  4. Step 4: Simplify right side
    28,543,655.25x = 610,191,084,154,284.50
  5. Step 5: Solve for x
    x = 610,191,084,154,284.50/28,543,655.25
  6. Step 6: Final answer
    x = 21,377,468.26

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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.