Home / 9,780,139.80-14,670,209.70-6,910,358.40

Finding the Fourth Proportional to 9,780,139.80, 14,670,209.70 and 6,910,358.40

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Solution

The fourth proportional to 9,780,139.80, 14,670,209.70 and 6,910,358.40 is: 10,365,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780,139.80 : 14,670,209.70 = 6,910,358.40 : x
  2. Step 2: Convert to fraction form
    9,780,139.80/14,670,209.70 = 6,910,358.40/x
  3. Step 3: Cross multiply
    9,780,139.80x = 14,670,209.70 × 6,910,358.40
  4. Step 4: Simplify right side
    9,780,139.80x = 101,376,406,830,156.48
  5. Step 5: Solve for x
    x = 101,376,406,830,156.48/9,780,139.80
  6. Step 6: Final answer
    x = 10,365,537.60

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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.