Home / 12,926,501.03-17,838,567.07-7,125,379.65

Finding the Fourth Proportional to 12,926,501.03, 17,838,567.07 and 7,125,379.65

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Solution

The fourth proportional to 12,926,501.03, 17,838,567.07 and 7,125,379.65 is: 9,833,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,501.03 : 17,838,567.07 = 7,125,379.65 : x
  2. Step 2: Convert to fraction form
    12,926,501.03/17,838,567.07 = 7,125,379.65/x
  3. Step 3: Cross multiply
    12,926,501.03x = 17,838,567.07 × 7,125,379.65
  4. Step 4: Simplify right side
    12,926,501.03x = 127,106,562,727,750.22
  5. Step 5: Solve for x
    x = 127,106,562,727,750.22/12,926,501.03
  6. Step 6: Final answer
    x = 9,833,021.51

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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.