Home / 21,411,005.07-29,547,216.59-11,621,451.18

Finding the Fourth Proportional to 21,411,005.07, 29,547,216.59 and 11,621,451.18

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Solution

The fourth proportional to 21,411,005.07, 29,547,216.59 and 11,621,451.18 is: 16,037,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,005.07 : 29,547,216.59 = 11,621,451.18 : x
  2. Step 2: Convert to fraction form
    21,411,005.07/29,547,216.59 = 11,621,451.18/x
  3. Step 3: Cross multiply
    21,411,005.07x = 29,547,216.59 × 11,621,451.18
  4. Step 4: Simplify right side
    21,411,005.07x = 343,381,534,986,888.69
  5. Step 5: Solve for x
    x = 343,381,534,986,888.69/21,411,005.07
  6. Step 6: Final answer
    x = 16,037,618.69

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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.