Home / 21,411,065.07-29,547,299.70-11,621,511.32

Finding the Fourth Proportional to 21,411,065.07, 29,547,299.70 and 11,621,511.32

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Solution

The fourth proportional to 21,411,065.07, 29,547,299.70 and 11,621,511.32 is: 16,037,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,065.07 : 29,547,299.70 = 11,621,511.32 : x
  2. Step 2: Convert to fraction form
    21,411,065.07/29,547,299.70 = 11,621,511.32/x
  3. Step 3: Cross multiply
    21,411,065.07x = 29,547,299.70 × 11,621,511.32
  4. Step 4: Simplify right side
    21,411,065.07x = 343,384,277,791,246.06
  5. Step 5: Solve for x
    x = 343,384,277,791,246.06/21,411,065.07
  6. Step 6: Final answer
    x = 16,037,701.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.