Home / 21,068,106.13-31,602,159.20-5,922,037.63

Finding the Fourth Proportional to 21,068,106.13, 31,602,159.20 and 5,922,037.63

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Solution

The fourth proportional to 21,068,106.13, 31,602,159.20 and 5,922,037.63 is: 8,883,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,068,106.13 : 31,602,159.20 = 5,922,037.63 : x
  2. Step 2: Convert to fraction form
    21,068,106.13/31,602,159.20 = 5,922,037.63/x
  3. Step 3: Cross multiply
    21,068,106.13x = 31,602,159.20 × 5,922,037.63
  4. Step 4: Simplify right side
    21,068,106.13x = 187,149,175,971,650.69
  5. Step 5: Solve for x
    x = 187,149,175,971,650.69/21,068,106.13
  6. Step 6: Final answer
    x = 8,883,056.45

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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.