Home / 7,139,314.80-10,708,972.20-6,828,323.40

Finding the Fourth Proportional to 7,139,314.80, 10,708,972.20 and 6,828,323.40

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Solution

The fourth proportional to 7,139,314.80, 10,708,972.20 and 6,828,323.40 is: 10,242,485.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,314.80 : 10,708,972.20 = 6,828,323.40 : x
  2. Step 2: Convert to fraction form
    7,139,314.80/10,708,972.20 = 6,828,323.40/x
  3. Step 3: Cross multiply
    7,139,314.80x = 10,708,972.20 × 6,828,323.40
  4. Step 4: Simplify right side
    7,139,314.80x = 73,124,325,463,209.48
  5. Step 5: Solve for x
    x = 73,124,325,463,209.48/7,139,314.80
  6. Step 6: Final answer
    x = 10,242,485.10

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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.