Home / 13,088,044.08-18,056,825.28-7,578,411.12

Finding the Fourth Proportional to 13,088,044.08, 18,056,825.28 and 7,578,411.12

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Solution

The fourth proportional to 13,088,044.08, 18,056,825.28 and 7,578,411.12 is: 10,455,500.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,088,044.08 : 18,056,825.28 = 7,578,411.12 : x
  2. Step 2: Convert to fraction form
    13,088,044.08/18,056,825.28 = 7,578,411.12/x
  3. Step 3: Cross multiply
    13,088,044.08x = 18,056,825.28 × 7,578,411.12
  4. Step 4: Simplify right side
    13,088,044.08x = 136,842,045,493,849.12
  5. Step 5: Solve for x
    x = 136,842,045,493,849.12/13,088,044.08
  6. Step 6: Final answer
    x = 10,455,500.05

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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.