Home / 9,780,658.80-14,670,988.20-6,379,436.40

Finding the Fourth Proportional to 9,780,658.80, 14,670,988.20 and 6,379,436.40

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Solution

The fourth proportional to 9,780,658.80, 14,670,988.20 and 6,379,436.40 is: 9,569,154.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,658.80 : 14,670,988.20 = 6,379,436.40 : x
  2. Step 2: Convert to fraction form
    9,780,658.80/14,670,988.20 = 6,379,436.40/x
  3. Step 3: Cross multiply
    9,780,658.80x = 14,670,988.20 × 6,379,436.40
  4. Step 4: Simplify right side
    9,780,658.80x = 93,592,636,147,050.48
  5. Step 5: Solve for x
    x = 93,592,636,147,050.48/9,780,658.80
  6. Step 6: Final answer
    x = 9,569,154.60

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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.