Home / 10,769,653.78-14,878,329.14-7,057,306.93

Finding the Fourth Proportional to 10,769,653.78, 14,878,329.14 and 7,057,306.93

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Solution

The fourth proportional to 10,769,653.78, 14,878,329.14 and 7,057,306.93 is: 9,749,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,769,653.78 : 14,878,329.14 = 7,057,306.93 : x
  2. Step 2: Convert to fraction form
    10,769,653.78/14,878,329.14 = 7,057,306.93/x
  3. Step 3: Cross multiply
    10,769,653.78x = 14,878,329.14 × 7,057,306.93
  4. Step 4: Simplify right side
    10,769,653.78x = 105,000,935,346,542.94
  5. Step 5: Solve for x
    x = 105,000,935,346,542.94/10,769,653.78
  6. Step 6: Final answer
    x = 9,749,703.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.