Home / 10,408,058.15-15,621,055.28-7,215,426.34

Finding the Fourth Proportional to 10,408,058.15, 15,621,055.28 and 7,215,426.34

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Solution

The fourth proportional to 10,408,058.15, 15,621,055.28 and 7,215,426.34 is: 10,829,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408,058.15 : 15,621,055.28 = 7,215,426.34 : x
  2. Step 2: Convert to fraction form
    10,408,058.15/15,621,055.28 = 7,215,426.34/x
  3. Step 3: Cross multiply
    10,408,058.15x = 15,621,055.28 × 7,215,426.34
  4. Step 4: Simplify right side
    10,408,058.15x = 112,712,573,704,894.02
  5. Step 5: Solve for x
    x = 112,712,573,704,894.02/10,408,058.15
  6. Step 6: Final answer
    x = 10,829,356.65

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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.