Home / 13,717,829.37-18,928,864.59-7,521,245.46

Finding the Fourth Proportional to 13,717,829.37, 18,928,864.59 and 7,521,245.46

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Solution

The fourth proportional to 13,717,829.37, 18,928,864.59 and 7,521,245.46 is: 10,378,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717,829.37 : 18,928,864.59 = 7,521,245.46 : x
  2. Step 2: Convert to fraction form
    13,717,829.37/18,928,864.59 = 7,521,245.46/x
  3. Step 3: Cross multiply
    13,717,829.37x = 18,928,864.59 × 7,521,245.46
  4. Step 4: Simplify right side
    13,717,829.37x = 142,368,636,860,492.25
  5. Step 5: Solve for x
    x = 142,368,636,860,492.25/13,717,829.37
  6. Step 6: Final answer
    x = 10,378,364.76

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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.