Home / 20,547,335.57-28,355,252.31-11,845,466.69

Finding the Fourth Proportional to 20,547,335.57, 28,355,252.31 and 11,845,466.69

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Solution

The fourth proportional to 20,547,335.57, 28,355,252.31 and 11,845,466.69 is: 16,346,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,335.57 : 28,355,252.31 = 11,845,466.69 : x
  2. Step 2: Convert to fraction form
    20,547,335.57/28,355,252.31 = 11,845,466.69/x
  3. Step 3: Cross multiply
    20,547,335.57x = 28,355,252.31 × 11,845,466.69
  4. Step 4: Simplify right side
    20,547,335.57x = 335,881,196,724,650.50
  5. Step 5: Solve for x
    x = 335,881,196,724,650.50/20,547,335.57
  6. Step 6: Final answer
    x = 16,346,703.23

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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.