Home / 21,054,320.10-31,581,480.15-12,096,368.10

Finding the Fourth Proportional to 21,054,320.10, 31,581,480.15 and 12,096,368.10

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Solution

The fourth proportional to 21,054,320.10, 31,581,480.15 and 12,096,368.10 is: 18,144,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,054,320.10 : 31,581,480.15 = 12,096,368.10 : x
  2. Step 2: Convert to fraction form
    21,054,320.10/31,581,480.15 = 12,096,368.10/x
  3. Step 3: Cross multiply
    21,054,320.10x = 31,581,480.15 × 12,096,368.10
  4. Step 4: Simplify right side
    21,054,320.10x = 382,021,209,037,243.19
  5. Step 5: Solve for x
    x = 382,021,209,037,243.19/21,054,320.10
  6. Step 6: Final answer
    x = 18,144,552.15

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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.