Home / 31,915,428.90-47,873,143.35-19,001,412.60

Finding the Fourth Proportional to 31,915,428.90, 47,873,143.35 and 19,001,412.60

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Solution

The fourth proportional to 31,915,428.90, 47,873,143.35 and 19,001,412.60 is: 28,502,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,915,428.90 : 47,873,143.35 = 19,001,412.60 : x
  2. Step 2: Convert to fraction form
    31,915,428.90/47,873,143.35 = 19,001,412.60/x
  3. Step 3: Cross multiply
    31,915,428.90x = 47,873,143.35 × 19,001,412.60
  4. Step 4: Simplify right side
    31,915,428.90x = 909,657,349,252,296.25
  5. Step 5: Solve for x
    x = 909,657,349,252,296.25/31,915,428.90
  6. Step 6: Final answer
    x = 28,502,118.90

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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.