Home / 10,102,021.31-13,941,095.90-5,518,637.93

Finding the Fourth Proportional to 10,102,021.31, 13,941,095.90 and 5,518,637.93

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Solution

The fourth proportional to 10,102,021.31, 13,941,095.90 and 5,518,637.93 is: 7,615,887.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102,021.31 : 13,941,095.90 = 5,518,637.93 : x
  2. Step 2: Convert to fraction form
    10,102,021.31/13,941,095.90 = 5,518,637.93/x
  3. Step 3: Cross multiply
    10,102,021.31x = 13,941,095.90 × 5,518,637.93
  4. Step 4: Simplify right side
    10,102,021.31x = 76,935,860,626,767.03
  5. Step 5: Solve for x
    x = 76,935,860,626,767.03/10,102,021.31
  6. Step 6: Final answer
    x = 7,615,887.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.