Home / 15,509,985.40-23,275,475.70-6,985,934.20

Finding the Fourth Proportional to 15,509,985.40, 23,275,475.70 and 6,985,934.20

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Solution

The fourth proportional to 15,509,985.40, 23,275,475.70 and 6,985,934.20 is: 10,483,629.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,509,985.40 : 23,275,475.70 = 6,985,934.20 : x
  2. Step 2: Convert to fraction form
    15,509,985.40/23,275,475.70 = 6,985,934.20/x
  3. Step 3: Cross multiply
    15,509,985.40x = 23,275,475.70 × 6,985,934.20
  4. Step 4: Simplify right side
    15,509,985.40x = 162,600,941,713,898.94
  5. Step 5: Solve for x
    x = 162,600,941,713,898.94/15,509,985.40
  6. Step 6: Final answer
    x = 10,483,629.58

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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.