Home / 21,547,971.57-32,303,032.52-8,779,215.81

Finding the Fourth Proportional to 21,547,971.57, 32,303,032.52 and 8,779,215.81

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Solution

The fourth proportional to 21,547,971.57, 32,303,032.52 and 8,779,215.81 is: 13,161,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547,971.57 : 32,303,032.52 = 8,779,215.81 : x
  2. Step 2: Convert to fraction form
    21,547,971.57/32,303,032.52 = 8,779,215.81/x
  3. Step 3: Cross multiply
    21,547,971.57x = 32,303,032.52 × 8,779,215.81
  4. Step 4: Simplify right side
    21,547,971.57x = 283,595,293,766,632.06
  5. Step 5: Solve for x
    x = 283,595,293,766,632.06/21,547,971.57
  6. Step 6: Final answer
    x = 13,161,113.23

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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.