Home / 12,154,983.16-16,779,041.62-7,573,568.12

Finding the Fourth Proportional to 12,154,983.16, 16,779,041.62 and 7,573,568.12

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Solution

The fourth proportional to 12,154,983.16, 16,779,041.62 and 7,573,568.12 is: 10,454,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,983.16 : 16,779,041.62 = 7,573,568.12 : x
  2. Step 2: Convert to fraction form
    12,154,983.16/16,779,041.62 = 7,573,568.12/x
  3. Step 3: Cross multiply
    12,154,983.16x = 16,779,041.62 × 7,573,568.12
  4. Step 4: Simplify right side
    12,154,983.16x = 127,077,214,697,385.17
  5. Step 5: Solve for x
    x = 127,077,214,697,385.17/12,154,983.16
  6. Step 6: Final answer
    x = 10,454,742.14

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1.5x scale

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.