Home / 13,659,068.16-18,849,507.84-7,547,443.20

Finding the Fourth Proportional to 13,659,068.16, 18,849,507.84 and 7,547,443.20

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Solution

The fourth proportional to 13,659,068.16, 18,849,507.84 and 7,547,443.20 is: 10,415,468.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,068.16 : 18,849,507.84 = 7,547,443.20 : x
  2. Step 2: Convert to fraction form
    13,659,068.16/18,849,507.84 = 7,547,443.20/x
  3. Step 3: Cross multiply
    13,659,068.16x = 18,849,507.84 × 7,547,443.20
  4. Step 4: Simplify right side
    13,659,068.16x = 142,265,589,770,354.69
  5. Step 5: Solve for x
    x = 142,265,589,770,354.69/13,659,068.16
  6. Step 6: Final answer
    x = 10,415,468.18

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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.