Home / 19,133,307.09-26,403,945.18-10,431,477.39

Finding the Fourth Proportional to 19,133,307.09, 26,403,945.18 and 10,431,477.39

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Solution

The fourth proportional to 19,133,307.09, 26,403,945.18 and 10,431,477.39 is: 14,395,428.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,133,307.09 : 26,403,945.18 = 10,431,477.39 : x
  2. Step 2: Convert to fraction form
    19,133,307.09/26,403,945.18 = 10,431,477.39/x
  3. Step 3: Cross multiply
    19,133,307.09x = 26,403,945.18 × 10,431,477.39
  4. Step 4: Simplify right side
    19,133,307.09x = 275,432,157,151,969.50
  5. Step 5: Solve for x
    x = 275,432,157,151,969.50/19,133,307.09
  6. Step 6: Final answer
    x = 14,395,428.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.