Home / 7,222,709.40-10,835,667.90-2,430,263.40

Finding the Fourth Proportional to 7,222,709.40, 10,835,667.90 and 2,430,263.40

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Solution

The fourth proportional to 7,222,709.40, 10,835,667.90 and 2,430,263.40 is: 3,645,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,709.40 : 10,835,667.90 = 2,430,263.40 : x
  2. Step 2: Convert to fraction form
    7,222,709.40/10,835,667.90 = 2,430,263.40/x
  3. Step 3: Cross multiply
    7,222,709.40x = 10,835,667.90 × 2,430,263.40
  4. Step 4: Simplify right side
    7,222,709.40x = 26,333,527,111,924.86
  5. Step 5: Solve for x
    x = 26,333,527,111,924.86/7,222,709.40
  6. Step 6: Final answer
    x = 3,645,934.74

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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.