Home / 10,865,869.18-16,283,664.06-8,167,045.60

Finding the Fourth Proportional to 10,865,869.18, 16,283,664.06 and 8,167,045.60

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Solution

The fourth proportional to 10,865,869.18, 16,283,664.06 and 8,167,045.60 is: 12,239,189.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,869.18 : 16,283,664.06 = 8,167,045.60 : x
  2. Step 2: Convert to fraction form
    10,865,869.18/16,283,664.06 = 8,167,045.60/x
  3. Step 3: Cross multiply
    10,865,869.18x = 16,283,664.06 × 8,167,045.60
  4. Step 4: Simplify right side
    10,865,869.18x = 132,989,426,913,101.14
  5. Step 5: Solve for x
    x = 132,989,426,913,101.14/10,865,869.18
  6. Step 6: Final answer
    x = 12,239,189.03

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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.