Home / 10,255,611.84-14,157,102.25-6,390,042.87

Finding the Fourth Proportional to 10,255,611.84, 14,157,102.25 and 6,390,042.87

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Solution

The fourth proportional to 10,255,611.84, 14,157,102.25 and 6,390,042.87 is: 8,820,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,255,611.84 : 14,157,102.25 = 6,390,042.87 : x
  2. Step 2: Convert to fraction form
    10,255,611.84/14,157,102.25 = 6,390,042.87/x
  3. Step 3: Cross multiply
    10,255,611.84x = 14,157,102.25 × 6,390,042.87
  4. Step 4: Simplify right side
    10,255,611.84x = 90,464,490,276,498.36
  5. Step 5: Solve for x
    x = 90,464,490,276,498.36/10,255,611.84
  6. Step 6: Final answer
    x = 8,820,974.48

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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.