Home / 9,768,058.50-13,479,920.73-5,417,810.94

Finding the Fourth Proportional to 9,768,058.50, 13,479,920.73 and 5,417,810.94

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Solution

The fourth proportional to 9,768,058.50, 13,479,920.73 and 5,417,810.94 is: 7,476,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,768,058.50 : 13,479,920.73 = 5,417,810.94 : x
  2. Step 2: Convert to fraction form
    9,768,058.50/13,479,920.73 = 5,417,810.94/x
  3. Step 3: Cross multiply
    9,768,058.50x = 13,479,920.73 × 5,417,810.94
  4. Step 4: Simplify right side
    9,768,058.50x = 73,031,662,001,326.80
  5. Step 5: Solve for x
    x = 73,031,662,001,326.80/9,768,058.50
  6. Step 6: Final answer
    x = 7,476,579.10

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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.