Home / 13,208,625.60-19,812,938.40-12,169,363.20

Finding the Fourth Proportional to 13,208,625.60, 19,812,938.40 and 12,169,363.20

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Solution

The fourth proportional to 13,208,625.60, 19,812,938.40 and 12,169,363.20 is: 18,254,044.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,625.60 : 19,812,938.40 = 12,169,363.20 : x
  2. Step 2: Convert to fraction form
    13,208,625.60/19,812,938.40 = 12,169,363.20/x
  3. Step 3: Cross multiply
    13,208,625.60x = 19,812,938.40 × 12,169,363.20
  4. Step 4: Simplify right side
    13,208,625.60x = 241,110,843,448,826.84
  5. Step 5: Solve for x
    x = 241,110,843,448,826.84/13,208,625.60
  6. Step 6: Final answer
    x = 18,254,044.80

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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.