Home / 13,122,002.40-19,683,003.60-12,590,561.40

Finding the Fourth Proportional to 13,122,002.40, 19,683,003.60 and 12,590,561.40

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Solution

The fourth proportional to 13,122,002.40, 19,683,003.60 and 12,590,561.40 is: 18,885,842.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,002.40 : 19,683,003.60 = 12,590,561.40 : x
  2. Step 2: Convert to fraction form
    13,122,002.40/19,683,003.60 = 12,590,561.40/x
  3. Step 3: Cross multiply
    13,122,002.40x = 19,683,003.60 × 12,590,561.40
  4. Step 4: Simplify right side
    13,122,002.40x = 247,820,065,362,221.06
  5. Step 5: Solve for x
    x = 247,820,065,362,221.06/13,122,002.40
  6. Step 6: Final answer
    x = 18,885,842.10

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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.