Home / 28,117,424.64-38,810,295.12-16,359,459.36

Finding the Fourth Proportional to 28,117,424.64, 38,810,295.12 and 16,359,459.36

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Solution

The fourth proportional to 28,117,424.64, 38,810,295.12 and 16,359,459.36 is: 22,580,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,117,424.64 : 38,810,295.12 = 16,359,459.36 : x
  2. Step 2: Convert to fraction form
    28,117,424.64/38,810,295.12 = 16,359,459.36/x
  3. Step 3: Cross multiply
    28,117,424.64x = 38,810,295.12 × 16,359,459.36
  4. Step 4: Simplify right side
    28,117,424.64x = 634,915,445,765,246.25
  5. Step 5: Solve for x
    x = 634,915,445,765,246.25/28,117,424.64
  6. Step 6: Final answer
    x = 22,580,853.47

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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.