Home / 9,786,642.80-14,679,964.20-6,385,420.40

Finding the Fourth Proportional to 9,786,642.80, 14,679,964.20 and 6,385,420.40

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Solution

The fourth proportional to 9,786,642.80, 14,679,964.20 and 6,385,420.40 is: 9,578,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,642.80 : 14,679,964.20 = 6,385,420.40 : x
  2. Step 2: Convert to fraction form
    9,786,642.80/14,679,964.20 = 6,385,420.40/x
  3. Step 3: Cross multiply
    9,786,642.80x = 14,679,964.20 × 6,385,420.40
  4. Step 4: Simplify right side
    9,786,642.80x = 93,737,742,873,949.69
  5. Step 5: Solve for x
    x = 93,737,742,873,949.69/9,786,642.80
  6. Step 6: Final answer
    x = 9,578,130.60

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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.