Home / 30,578,358.72-45,867,632.40-7,549,295.88

Finding the Fourth Proportional to 30,578,358.72, 45,867,632.40 and 7,549,295.88

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Solution

The fourth proportional to 30,578,358.72, 45,867,632.40 and 7,549,295.88 is: 11,323,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,578,358.72 : 45,867,632.40 = 7,549,295.88 : x
  2. Step 2: Convert to fraction form
    30,578,358.72/45,867,632.40 = 7,549,295.88/x
  3. Step 3: Cross multiply
    30,578,358.72x = 45,867,632.40 × 7,549,295.88
  4. Step 4: Simplify right side
    30,578,358.72x = 346,268,328,302,674.50
  5. Step 5: Solve for x
    x = 346,268,328,302,674.50/30,578,358.72
  6. Step 6: Final answer
    x = 11,323,967.11

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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.