Home / 7,350,579-10,143,807.36-4,087,323.67

Finding the Fourth Proportional to 7,350,579, 10,143,807.36 and 4,087,323.67

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Solution

The fourth proportional to 7,350,579, 10,143,807.36 and 4,087,323.67 is: 5,640,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,350,579 : 10,143,807.36 = 4,087,323.67 : x
  2. Step 2: Convert to fraction form
    7,350,579/10,143,807.36 = 4,087,323.67/x
  3. Step 3: Cross multiply
    7,350,579x = 10,143,807.36 × 4,087,323.67
  4. Step 4: Simplify right side
    7,350,579x = 41,461,023,926,448.21
  5. Step 5: Solve for x
    x = 41,461,023,926,448.21/7,350,579
  6. Step 6: Final answer
    x = 5,640,511.30

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Double scale
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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.