Home / 28,488,602.25-39,314,216.16-15,436,214.46

Finding the Fourth Proportional to 28,488,602.25, 39,314,216.16 and 15,436,214.46

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Solution

The fourth proportional to 28,488,602.25, 39,314,216.16 and 15,436,214.46 is: 21,301,946.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,488,602.25 : 39,314,216.16 = 15,436,214.46 : x
  2. Step 2: Convert to fraction form
    28,488,602.25/39,314,216.16 = 15,436,214.46/x
  3. Step 3: Cross multiply
    28,488,602.25x = 39,314,216.16 × 15,436,214.46
  4. Step 4: Simplify right side
    28,488,602.25x = 606,862,671,972,557.62
  5. Step 5: Solve for x
    x = 606,862,671,972,557.62/28,488,602.25
  6. Step 6: Final answer
    x = 21,301,946.18

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1.5x scale

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.