Home / 10,382,357.80-15,567,315.90-5,343,509.80

Finding the Fourth Proportional to 10,382,357.80, 15,567,315.90 and 5,343,509.80

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Solution

The fourth proportional to 10,382,357.80, 15,567,315.90 and 5,343,509.80 is: 8,012,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,357.80 : 15,567,315.90 = 5,343,509.80 : x
  2. Step 2: Convert to fraction form
    10,382,357.80/15,567,315.90 = 5,343,509.80/x
  3. Step 3: Cross multiply
    10,382,357.80x = 15,567,315.90 × 5,343,509.80
  4. Step 4: Simplify right side
    10,382,357.80x = 83,184,105,071,345.81
  5. Step 5: Solve for x
    x = 83,184,105,071,345.81/10,382,357.80
  6. Step 6: Final answer
    x = 8,012,063.03

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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.