Home / 13,122,001.40-19,683,002.10-12,590,560.40

Finding the Fourth Proportional to 13,122,001.40, 19,683,002.10 and 12,590,560.40

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Solution

The fourth proportional to 13,122,001.40, 19,683,002.10 and 12,590,560.40 is: 18,885,840.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,001.40 : 19,683,002.10 = 12,590,560.40 : x
  2. Step 2: Convert to fraction form
    13,122,001.40/19,683,002.10 = 12,590,560.40/x
  3. Step 3: Cross multiply
    13,122,001.40x = 19,683,002.10 × 12,590,560.40
  4. Step 4: Simplify right side
    13,122,001.40x = 247,820,026,793,376.88
  5. Step 5: Solve for x
    x = 247,820,026,793,376.88/13,122,001.40
  6. Step 6: Final answer
    x = 18,885,840.60

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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.