Home / 10,239,689.48-14,130,500.82-5,655,912.44

Finding the Fourth Proportional to 10,239,689.48, 14,130,500.82 and 5,655,912.44

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Solution

The fourth proportional to 10,239,689.48, 14,130,500.82 and 5,655,912.44 is: 7,805,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239,689.48 : 14,130,500.82 = 5,655,912.44 : x
  2. Step 2: Convert to fraction form
    10,239,689.48/14,130,500.82 = 5,655,912.44/x
  3. Step 3: Cross multiply
    10,239,689.48x = 14,130,500.82 × 5,655,912.44
  4. Step 4: Simplify right side
    10,239,689.48x = 79,920,875,371,268.20
  5. Step 5: Solve for x
    x = 79,920,875,371,268.20/10,239,689.48
  6. Step 6: Final answer
    x = 7,805,009.67

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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.