Home / 21,374,416.80-32,065,513.20-6,993,482.40

Finding the Fourth Proportional to 21,374,416.80, 32,065,513.20 and 6,993,482.40

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Solution

The fourth proportional to 21,374,416.80, 32,065,513.20 and 6,993,482.40 is: 10,491,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374,416.80 : 32,065,513.20 = 6,993,482.40 : x
  2. Step 2: Convert to fraction form
    21,374,416.80/32,065,513.20 = 6,993,482.40/x
  3. Step 3: Cross multiply
    21,374,416.80x = 32,065,513.20 × 6,993,482.40
  4. Step 4: Simplify right side
    21,374,416.80x = 224,249,602,211,167.69
  5. Step 5: Solve for x
    x = 224,249,602,211,167.69/21,374,416.80
  6. Step 6: Final answer
    x = 10,491,495.71

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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.