Home / 15,519,849.48-21,417,399-8,997,260.40

Finding the Fourth Proportional to 15,519,849.48, 21,417,399 and 8,997,260.40

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Solution

The fourth proportional to 15,519,849.48, 21,417,399 and 8,997,260.40 is: 12,416,223.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,519,849.48 : 21,417,399 = 8,997,260.40 : x
  2. Step 2: Convert to fraction form
    15,519,849.48/21,417,399 = 8,997,260.40/x
  3. Step 3: Cross multiply
    15,519,849.48x = 21,417,399 × 8,997,260.40
  4. Step 4: Simplify right side
    15,519,849.48x = 192,697,915,893,699.59
  5. Step 5: Solve for x
    x = 192,697,915,893,699.59/15,519,849.48
  6. Step 6: Final answer
    x = 12,416,223.25

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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.