Home / 7,173,401.45-10,714,384.69-6,489,235.76

Finding the Fourth Proportional to 7,173,401.45, 10,714,384.69 and 6,489,235.76

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Solution

The fourth proportional to 7,173,401.45, 10,714,384.69 and 6,489,235.76 is: 9,692,496.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173,401.45 : 10,714,384.69 = 6,489,235.76 : x
  2. Step 2: Convert to fraction form
    7,173,401.45/10,714,384.69 = 6,489,235.76/x
  3. Step 3: Cross multiply
    7,173,401.45x = 10,714,384.69 × 6,489,235.76
  4. Step 4: Simplify right side
    7,173,401.45x = 69,528,168,276,744.51
  5. Step 5: Solve for x
    x = 69,528,168,276,744.51/7,173,401.45
  6. Step 6: Final answer
    x = 9,692,496.48

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1.5x scale

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.