Home / 31,457,019.60-47,125,077.93-19,291,006.68

Finding the Fourth Proportional to 31,457,019.60, 47,125,077.93 and 19,291,006.68

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Solution

The fourth proportional to 31,457,019.60, 47,125,077.93 and 19,291,006.68 is: 28,899,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,457,019.60 : 47,125,077.93 = 19,291,006.68 : x
  2. Step 2: Convert to fraction form
    31,457,019.60/47,125,077.93 = 19,291,006.68/x
  3. Step 3: Cross multiply
    31,457,019.60x = 47,125,077.93 × 19,291,006.68
  4. Step 4: Simplify right side
    31,457,019.60x = 909,090,193,143,150.50
  5. Step 5: Solve for x
    x = 909,090,193,143,150.50/31,457,019.60
  6. Step 6: Final answer
    x = 28,899,438.18

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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.