Home / 21,880,005.10-32,820,007.65-10,542,597.10

Finding the Fourth Proportional to 21,880,005.10, 32,820,007.65 and 10,542,597.10

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Solution

The fourth proportional to 21,880,005.10, 32,820,007.65 and 10,542,597.10 is: 15,813,895.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,005.10 : 32,820,007.65 = 10,542,597.10 : x
  2. Step 2: Convert to fraction form
    21,880,005.10/32,820,007.65 = 10,542,597.10/x
  3. Step 3: Cross multiply
    21,880,005.10x = 32,820,007.65 × 10,542,597.10
  4. Step 4: Simplify right side
    21,880,005.10x = 346,008,117,472,867.81
  5. Step 5: Solve for x
    x = 346,008,117,472,867.81/21,880,005.10
  6. Step 6: Final answer
    x = 15,813,895.65

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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.