Home / 13,153,042.88-19,590,869.16-12,562,894.39

Finding the Fourth Proportional to 13,153,042.88, 19,590,869.16 and 12,562,894.39

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Solution

The fourth proportional to 13,153,042.88, 19,590,869.16 and 12,562,894.39 is: 18,711,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153,042.88 : 19,590,869.16 = 12,562,894.39 : x
  2. Step 2: Convert to fraction form
    13,153,042.88/19,590,869.16 = 12,562,894.39/x
  3. Step 3: Cross multiply
    13,153,042.88x = 19,590,869.16 × 12,562,894.39
  4. Step 4: Simplify right side
    13,153,042.88x = 246,118,020,216,410.81
  5. Step 5: Solve for x
    x = 246,118,020,216,410.81/13,153,042.88
  6. Step 6: Final answer
    x = 18,711,869.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.