Home / 10,872,617.20-16,308,925.80-7,289,436.40

Finding the Fourth Proportional to 10,872,617.20, 16,308,925.80 and 7,289,436.40

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Solution

The fourth proportional to 10,872,617.20, 16,308,925.80 and 7,289,436.40 is: 10,934,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,872,617.20 : 16,308,925.80 = 7,289,436.40 : x
  2. Step 2: Convert to fraction form
    10,872,617.20/16,308,925.80 = 7,289,436.40/x
  3. Step 3: Cross multiply
    10,872,617.20x = 16,308,925.80 × 7,289,436.40
  4. Step 4: Simplify right side
    10,872,617.20x = 118,882,877,371,419.12
  5. Step 5: Solve for x
    x = 118,882,877,371,419.12/10,872,617.20
  6. Step 6: Final answer
    x = 10,934,154.60

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1.5x scale

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.