Home / 21,411,066.07-29,547,301.08-11,621,512.32

Finding the Fourth Proportional to 21,411,066.07, 29,547,301.08 and 11,621,512.32

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Solution

The fourth proportional to 21,411,066.07, 29,547,301.08 and 11,621,512.32 is: 16,037,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411,066.07 : 29,547,301.08 = 11,621,512.32 : x
  2. Step 2: Convert to fraction form
    21,411,066.07/29,547,301.08 = 11,621,512.32/x
  3. Step 3: Cross multiply
    21,411,066.07x = 29,547,301.08 × 11,621,512.32
  4. Step 4: Simplify right side
    21,411,066.07x = 343,384,323,523,969.31
  5. Step 5: Solve for x
    x = 343,384,323,523,969.31/21,411,066.07
  6. Step 6: Final answer
    x = 16,037,703.23

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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.