Home / 21,669,345-32,515,192.53-10,155,981.96

Finding the Fourth Proportional to 21,669,345, 32,515,192.53 and 10,155,981.96

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Solution

The fourth proportional to 21,669,345, 32,515,192.53 and 10,155,981.96 is: 15,239,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,669,345 : 32,515,192.53 = 10,155,981.96 : x
  2. Step 2: Convert to fraction form
    21,669,345/32,515,192.53 = 10,155,981.96/x
  3. Step 3: Cross multiply
    21,669,345x = 32,515,192.53 × 10,155,981.96
  4. Step 4: Simplify right side
    21,669,345x = 330,223,708,760,606.81
  5. Step 5: Solve for x
    x = 330,223,708,760,606.81/21,669,345
  6. Step 6: Final answer
    x = 15,239,210.45

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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.