Home / 12,058,478.40-18,087,717.60-7,275,509.40

Finding the Fourth Proportional to 12,058,478.40, 18,087,717.60 and 7,275,509.40

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Solution

The fourth proportional to 12,058,478.40, 18,087,717.60 and 7,275,509.40 is: 10,913,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,058,478.40 : 18,087,717.60 = 7,275,509.40 : x
  2. Step 2: Convert to fraction form
    12,058,478.40/18,087,717.60 = 7,275,509.40/x
  3. Step 3: Cross multiply
    12,058,478.40x = 18,087,717.60 × 7,275,509.40
  4. Step 4: Simplify right side
    12,058,478.40x = 131,597,359,423,345.45
  5. Step 5: Solve for x
    x = 131,597,359,423,345.45/12,058,478.40
  6. Step 6: Final answer
    x = 10,913,264.10

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1.5x scale

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.