Home / 28,483,173.64-39,306,617.22-15,430,686.76

Finding the Fourth Proportional to 28,483,173.64, 39,306,617.22 and 15,430,686.76

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Solution

The fourth proportional to 28,483,173.64, 39,306,617.22 and 15,430,686.76 is: 21,294,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,483,173.64 : 39,306,617.22 = 15,430,686.76 : x
  2. Step 2: Convert to fraction form
    28,483,173.64/39,306,617.22 = 15,430,686.76/x
  3. Step 3: Cross multiply
    28,483,173.64x = 39,306,617.22 × 15,430,686.76
  4. Step 4: Simplify right side
    28,483,173.64x = 606,528,097,917,042
  5. Step 5: Solve for x
    x = 606,528,097,917,042/28,483,173.64
  6. Step 6: Final answer
    x = 21,294,259.75

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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.