Home / 7,020,901.80-10,531,352.70-2,976,701.40

Finding the Fourth Proportional to 7,020,901.80, 10,531,352.70 and 2,976,701.40

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Solution

The fourth proportional to 7,020,901.80, 10,531,352.70 and 2,976,701.40 is: 4,465,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,901.80 : 10,531,352.70 = 2,976,701.40 : x
  2. Step 2: Convert to fraction form
    7,020,901.80/10,531,352.70 = 2,976,701.40/x
  3. Step 3: Cross multiply
    7,020,901.80x = 10,531,352.70 × 2,976,701.40
  4. Step 4: Simplify right side
    7,020,901.80x = 31,348,692,325,983.78
  5. Step 5: Solve for x
    x = 31,348,692,325,983.78/7,020,901.80
  6. Step 6: Final answer
    x = 4,465,052.10

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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.