Home / 10,065,431.40-15,085,556.46-7,927,070.28

Finding the Fourth Proportional to 10,065,431.40, 15,085,556.46 and 7,927,070.28

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Solution

The fourth proportional to 10,065,431.40, 15,085,556.46 and 7,927,070.28 is: 11,880,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065,431.40 : 15,085,556.46 = 7,927,070.28 : x
  2. Step 2: Convert to fraction form
    10,065,431.40/15,085,556.46 = 7,927,070.28/x
  3. Step 3: Cross multiply
    10,065,431.40x = 15,085,556.46 × 7,927,070.28
  4. Step 4: Simplify right side
    10,065,431.40x = 119,584,266,271,328.02
  5. Step 5: Solve for x
    x = 119,584,266,271,328.02/10,065,431.40
  6. Step 6: Final answer
    x = 11,880,689.61

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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.