Home / 30,176,378.92-45,264,125.18-7,457,275.56

Finding the Fourth Proportional to 30,176,378.92, 45,264,125.18 and 7,457,275.56

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Solution

The fourth proportional to 30,176,378.92, 45,264,125.18 and 7,457,275.56 is: 11,185,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,176,378.92 : 45,264,125.18 = 7,457,275.56 : x
  2. Step 2: Convert to fraction form
    30,176,378.92/45,264,125.18 = 7,457,275.56/x
  3. Step 3: Cross multiply
    30,176,378.92x = 45,264,125.18 × 7,457,275.56
  4. Step 4: Simplify right side
    30,176,378.92x = 337,547,054,449,594.56
  5. Step 5: Solve for x
    x = 337,547,054,449,594.56/30,176,378.92
  6. Step 6: Final answer
    x = 11,185,803.82

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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.