Home / 13,180,367.40-19,773,532.32-7,114,968.96

Finding the Fourth Proportional to 13,180,367.40, 19,773,532.32 and 7,114,968.96

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Solution

The fourth proportional to 13,180,367.40, 19,773,532.32 and 7,114,968.96 is: 10,674,062.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180,367.40 : 19,773,532.32 = 7,114,968.96 : x
  2. Step 2: Convert to fraction form
    13,180,367.40/19,773,532.32 = 7,114,968.96/x
  3. Step 3: Cross multiply
    13,180,367.40x = 19,773,532.32 × 7,114,968.96
  4. Step 4: Simplify right side
    13,180,367.40x = 140,688,068,686,356.78
  5. Step 5: Solve for x
    x = 140,688,068,686,356.78/13,180,367.40
  6. Step 6: Final answer
    x = 10,674,062.75

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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.