Home / 21,547,973.07-32,303,034.77-8,779,217.31

Finding the Fourth Proportional to 21,547,973.07, 32,303,034.77 and 8,779,217.31

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Solution

The fourth proportional to 21,547,973.07, 32,303,034.77 and 8,779,217.31 is: 13,161,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547,973.07 : 32,303,034.77 = 8,779,217.31 : x
  2. Step 2: Convert to fraction form
    21,547,973.07/32,303,034.77 = 8,779,217.31/x
  3. Step 3: Cross multiply
    21,547,973.07x = 32,303,034.77 × 8,779,217.31
  4. Step 4: Simplify right side
    21,547,973.07x = 283,595,361,974,419.81
  5. Step 5: Solve for x
    x = 283,595,361,974,419.81/21,547,973.07
  6. Step 6: Final answer
    x = 13,161,115.48

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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.