Home / 15,779,184.89-21,778,900.20-9,254,916.18

Finding the Fourth Proportional to 15,779,184.89, 21,778,900.20 and 9,254,916.18

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Solution

The fourth proportional to 15,779,184.89, 21,778,900.20 and 9,254,916.18 is: 12,773,910.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,184.89 : 21,778,900.20 = 9,254,916.18 : x
  2. Step 2: Convert to fraction form
    15,779,184.89/21,778,900.20 = 9,254,916.18/x
  3. Step 3: Cross multiply
    15,779,184.89x = 21,778,900.20 × 9,254,916.18
  4. Step 4: Simplify right side
    15,779,184.89x = 201,561,895,843,585.22
  5. Step 5: Solve for x
    x = 201,561,895,843,585.22/15,779,184.89
  6. Step 6: Final answer
    x = 12,773,910.52

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1.5x scale

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.