Home / 9,786,643.80-14,679,965.70-6,385,421.40

Finding the Fourth Proportional to 9,786,643.80, 14,679,965.70 and 6,385,421.40

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Solution

The fourth proportional to 9,786,643.80, 14,679,965.70 and 6,385,421.40 is: 9,578,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786,643.80 : 14,679,965.70 = 6,385,421.40 : x
  2. Step 2: Convert to fraction form
    9,786,643.80/14,679,965.70 = 6,385,421.40/x
  3. Step 3: Cross multiply
    9,786,643.80x = 14,679,965.70 × 6,385,421.40
  4. Step 4: Simplify right side
    9,786,643.80x = 93,737,767,132,045.98
  5. Step 5: Solve for x
    x = 93,737,767,132,045.98/9,786,643.80
  6. Step 6: Final answer
    x = 9,578,132.10

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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.