Home / 10,700,128.80-14,763,321.36-6,345,594.72

Finding the Fourth Proportional to 10,700,128.80, 14,763,321.36 and 6,345,594.72

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Solution

The fourth proportional to 10,700,128.80, 14,763,321.36 and 6,345,594.72 is: 8,755,226.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,700,128.80 : 14,763,321.36 = 6,345,594.72 : x
  2. Step 2: Convert to fraction form
    10,700,128.80/14,763,321.36 = 6,345,594.72/x
  3. Step 3: Cross multiply
    10,700,128.80x = 14,763,321.36 × 6,345,594.72
  4. Step 4: Simplify right side
    10,700,128.80x = 93,682,054,071,679.22
  5. Step 5: Solve for x
    x = 93,682,054,071,679.22/10,700,128.80
  6. Step 6: Final answer
    x = 8,755,226.77

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1.5x scale

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.