Home / 15,077,219.66-20,806,547.38-8,201,685.32

Finding the Fourth Proportional to 15,077,219.66, 20,806,547.38 and 8,201,685.32

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Solution

The fourth proportional to 15,077,219.66, 20,806,547.38 and 8,201,685.32 is: 11,318,317.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,077,219.66 : 20,806,547.38 = 8,201,685.32 : x
  2. Step 2: Convert to fraction form
    15,077,219.66/20,806,547.38 = 8,201,685.32/x
  3. Step 3: Cross multiply
    15,077,219.66x = 20,806,547.38 × 8,201,685.32
  4. Step 4: Simplify right side
    15,077,219.66x = 170,648,754,061,389.31
  5. Step 5: Solve for x
    x = 170,648,754,061,389.31/15,077,219.66
  6. Step 6: Final answer
    x = 11,318,317.17

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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.