Home / 20,547,860.32-28,355,699.73-11,380,306.24

Finding the Fourth Proportional to 20,547,860.32, 28,355,699.73 and 11,380,306.24

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Solution

The fourth proportional to 20,547,860.32, 28,355,699.73 and 11,380,306.24 is: 15,704,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,547,860.32 : 28,355,699.73 = 11,380,306.24 : x
  2. Step 2: Convert to fraction form
    20,547,860.32/28,355,699.73 = 11,380,306.24/x
  3. Step 3: Cross multiply
    20,547,860.32x = 28,355,699.73 × 11,380,306.24
  4. Step 4: Simplify right side
    20,547,860.32x = 322,696,546,435,106.81
  5. Step 5: Solve for x
    x = 322,696,546,435,106.81/20,547,860.32
  6. Step 6: Final answer
    x = 15,704,630.14

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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.