Home / 20,587,611.64-30,881,639.02-6,210,803.88

Finding the Fourth Proportional to 20,587,611.64, 30,881,639.02 and 6,210,803.88

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Solution

The fourth proportional to 20,587,611.64, 30,881,639.02 and 6,210,803.88 is: 9,316,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,587,611.64 : 30,881,639.02 = 6,210,803.88 : x
  2. Step 2: Convert to fraction form
    20,587,611.64/30,881,639.02 = 6,210,803.88/x
  3. Step 3: Cross multiply
    20,587,611.64x = 30,881,639.02 × 6,210,803.88
  4. Step 4: Simplify right side
    20,587,611.64x = 191,799,803,446,175.41
  5. Step 5: Solve for x
    x = 191,799,803,446,175.41/20,587,611.64
  6. Step 6: Final answer
    x = 9,316,272.66

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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.