Home / 7,470,002.80-11,205,004.20-7,312,538.80

Finding the Fourth Proportional to 7,470,002.80, 11,205,004.20 and 7,312,538.80

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Solution

The fourth proportional to 7,470,002.80, 11,205,004.20 and 7,312,538.80 is: 10,968,808.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,002.80 : 11,205,004.20 = 7,312,538.80 : x
  2. Step 2: Convert to fraction form
    7,470,002.80/11,205,004.20 = 7,312,538.80/x
  3. Step 3: Cross multiply
    7,470,002.80x = 11,205,004.20 × 7,312,538.80
  4. Step 4: Simplify right side
    7,470,002.80x = 81,937,027,966,662.95
  5. Step 5: Solve for x
    x = 81,937,027,966,662.95/7,470,002.80
  6. Step 6: Final answer
    x = 10,968,808.20

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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.