Home / 30,578,386.44-45,867,674.01-7,549,323.60

Finding the Fourth Proportional to 30,578,386.44, 45,867,674.01 and 7,549,323.60

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Solution

The fourth proportional to 30,578,386.44, 45,867,674.01 and 7,549,323.60 is: 11,324,008.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,386.44 : 45,867,674.01 = 7,549,323.60 : x
  2. Step 2: Convert to fraction form
    30,578,386.44/45,867,674.01 = 7,549,323.60/x
  3. Step 3: Cross multiply
    30,578,386.44x = 45,867,674.01 × 7,549,323.60
  4. Step 4: Simplify right side
    30,578,386.44x = 346,269,913,880,799.62
  5. Step 5: Solve for x
    x = 346,269,913,880,799.62/30,578,386.44
  6. Step 6: Final answer
    x = 11,324,008.69

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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.