Home / 26,680,681.80-40,011,219-9,168,272.28

Finding the Fourth Proportional to 26,680,681.80, 40,011,219 and 9,168,272.28

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Solution

The fourth proportional to 26,680,681.80, 40,011,219 and 9,168,272.28 is: 13,749,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,680,681.80 : 40,011,219 = 9,168,272.28 : x
  2. Step 2: Convert to fraction form
    26,680,681.80/40,011,219 = 9,168,272.28/x
  3. Step 3: Cross multiply
    26,680,681.80x = 40,011,219 × 9,168,272.28
  4. Step 4: Simplify right side
    26,680,681.80x = 366,833,750,046,709.31
  5. Step 5: Solve for x
    x = 366,833,750,046,709.31/26,680,681.80
  6. Step 6: Final answer
    x = 13,749,039.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.