Home / 21,456,066.40-32,184,099.60-21,306,767.20

Finding the Fourth Proportional to 21,456,066.40, 32,184,099.60 and 21,306,767.20

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Solution

The fourth proportional to 21,456,066.40, 32,184,099.60 and 21,306,767.20 is: 31,960,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,066.40 : 32,184,099.60 = 21,306,767.20 : x
  2. Step 2: Convert to fraction form
    21,456,066.40/32,184,099.60 = 21,306,767.20/x
  3. Step 3: Cross multiply
    21,456,066.40x = 32,184,099.60 × 21,306,767.20
  4. Step 4: Simplify right side
    21,456,066.40x = 685,739,117,718,813.12
  5. Step 5: Solve for x
    x = 685,739,117,718,813.12/21,456,066.40
  6. Step 6: Final answer
    x = 31,960,150.80

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1.5x scale

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.