Home / 21,125,019.60-31,683,783.60-9,607,789.08

Finding the Fourth Proportional to 21,125,019.60, 31,683,783.60 and 9,607,789.08

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Solution

The fourth proportional to 21,125,019.60, 31,683,783.60 and 9,607,789.08 is: 14,409,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,125,019.60 : 31,683,783.60 = 9,607,789.08 : x
  2. Step 2: Convert to fraction form
    21,125,019.60/31,683,783.60 = 9,607,789.08/x
  3. Step 3: Cross multiply
    21,125,019.60x = 31,683,783.60 × 9,607,789.08
  4. Step 4: Simplify right side
    21,125,019.60x = 304,411,110,085,163.12
  5. Step 5: Solve for x
    x = 304,411,110,085,163.12/21,125,019.60
  6. Step 6: Final answer
    x = 14,409,980.01

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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.