Home / 10,102,013.79-13,941,085.55-5,518,630.41

Finding the Fourth Proportional to 10,102,013.79, 13,941,085.55 and 5,518,630.41

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Solution

The fourth proportional to 10,102,013.79, 13,941,085.55 and 5,518,630.41 is: 7,615,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102,013.79 : 13,941,085.55 = 5,518,630.41 : x
  2. Step 2: Convert to fraction form
    10,102,013.79/13,941,085.55 = 5,518,630.41/x
  3. Step 3: Cross multiply
    10,102,013.79x = 13,941,085.55 × 5,518,630.41
  4. Step 4: Simplify right side
    10,102,013.79x = 76,935,698,637,048.42
  5. Step 5: Solve for x
    x = 76,935,698,637,048.42/10,102,013.79
  6. Step 6: Final answer
    x = 7,615,877.41

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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.