Home / 10,779,731.80-16,169,597.70-5,389,214.20

Finding the Fourth Proportional to 10,779,731.80, 16,169,597.70 and 5,389,214.20

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Solution

The fourth proportional to 10,779,731.80, 16,169,597.70 and 5,389,214.20 is: 8,083,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,731.80 : 16,169,597.70 = 5,389,214.20 : x
  2. Step 2: Convert to fraction form
    10,779,731.80/16,169,597.70 = 5,389,214.20/x
  3. Step 3: Cross multiply
    10,779,731.80x = 16,169,597.70 × 5,389,214.20
  4. Step 4: Simplify right side
    10,779,731.80x = 87,141,425,533,127.34
  5. Step 5: Solve for x
    x = 87,141,425,533,127.34/10,779,731.80
  6. Step 6: Final answer
    x = 8,083,821.30

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1.5x scale

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.