Home / 10,888,457.80-16,332,686.70-7,641,200.20

Finding the Fourth Proportional to 10,888,457.80, 16,332,686.70 and 7,641,200.20

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Solution

The fourth proportional to 10,888,457.80, 16,332,686.70 and 7,641,200.20 is: 11,461,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888,457.80 : 16,332,686.70 = 7,641,200.20 : x
  2. Step 2: Convert to fraction form
    10,888,457.80/16,332,686.70 = 7,641,200.20/x
  3. Step 3: Cross multiply
    10,888,457.80x = 16,332,686.70 × 7,641,200.20
  4. Step 4: Simplify right side
    10,888,457.80x = 124,801,328,878,577.34
  5. Step 5: Solve for x
    x = 124,801,328,878,577.34/10,888,457.80
  6. Step 6: Final answer
    x = 11,461,800.30

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1.5x scale

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.