Home / 7,129,722.36-10,697,384.34-3,137,835

Finding the Fourth Proportional to 7,129,722.36, 10,697,384.34 and 3,137,835

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Solution

The fourth proportional to 7,129,722.36, 10,697,384.34 and 3,137,835 is: 4,707,985.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,722.36 : 10,697,384.34 = 3,137,835 : x
  2. Step 2: Convert to fraction form
    7,129,722.36/10,697,384.34 = 3,137,835/x
  3. Step 3: Cross multiply
    7,129,722.36x = 10,697,384.34 × 3,137,835
  4. Step 4: Simplify right side
    7,129,722.36x = 33,566,626,990,503.90
  5. Step 5: Solve for x
    x = 33,566,626,990,503.90/7,129,722.36
  6. Step 6: Final answer
    x = 4,707,985.15

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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.