Home / 6,713,013.80-10,069,520.70-1,920,859.40

Finding the Fourth Proportional to 6,713,013.80, 10,069,520.70 and 1,920,859.40

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Solution

The fourth proportional to 6,713,013.80, 10,069,520.70 and 1,920,859.40 is: 2,881,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713,013.80 : 10,069,520.70 = 1,920,859.40 : x
  2. Step 2: Convert to fraction form
    6,713,013.80/10,069,520.70 = 1,920,859.40/x
  3. Step 3: Cross multiply
    6,713,013.80x = 10,069,520.70 × 1,920,859.40
  4. Step 4: Simplify right side
    6,713,013.80x = 19,342,133,490,089.58
  5. Step 5: Solve for x
    x = 19,342,133,490,089.58/6,713,013.80
  6. Step 6: Final answer
    x = 2,881,289.10

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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.