Home / 20,464,368.08-28,241,341.08-11,643,333.20

Finding the Fourth Proportional to 20,464,368.08, 28,241,341.08 and 11,643,333.20

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Solution

The fourth proportional to 20,464,368.08, 28,241,341.08 and 11,643,333.20 is: 16,068,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,368.08 : 28,241,341.08 = 11,643,333.20 : x
  2. Step 2: Convert to fraction form
    20,464,368.08/28,241,341.08 = 11,643,333.20/x
  3. Step 3: Cross multiply
    20,464,368.08x = 28,241,341.08 × 11,643,333.20
  4. Step 4: Simplify right side
    20,464,368.08x = 328,823,344,209,287.81
  5. Step 5: Solve for x
    x = 328,823,344,209,287.81/20,464,368.08
  6. Step 6: Final answer
    x = 16,068,091.76

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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.