Home / 7,048,143.32-9,725,657.74-3,908,328.04

Finding the Fourth Proportional to 7,048,143.32, 9,725,657.74 and 3,908,328.04

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Solution

The fourth proportional to 7,048,143.32, 9,725,657.74 and 3,908,328.04 is: 5,393,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,048,143.32 : 9,725,657.74 = 3,908,328.04 : x
  2. Step 2: Convert to fraction form
    7,048,143.32/9,725,657.74 = 3,908,328.04/x
  3. Step 3: Cross multiply
    7,048,143.32x = 9,725,657.74 × 3,908,328.04
  4. Step 4: Simplify right side
    7,048,143.32x = 38,011,060,852,685.03
  5. Step 5: Solve for x
    x = 38,011,060,852,685.03/7,048,143.32
  6. Step 6: Final answer
    x = 5,393,060.15

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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.