Home / 21,090,159-31,635,244.98-5,133,807

Finding the Fourth Proportional to 21,090,159, 31,635,244.98 and 5,133,807

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Solution

The fourth proportional to 21,090,159, 31,635,244.98 and 5,133,807 is: 7,700,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,090,159 : 31,635,244.98 = 5,133,807 : x
  2. Step 2: Convert to fraction form
    21,090,159/31,635,244.98 = 5,133,807/x
  3. Step 3: Cross multiply
    21,090,159x = 31,635,244.98 × 5,133,807
  4. Step 4: Simplify right side
    21,090,159x = 162,409,242,125,038.88
  5. Step 5: Solve for x
    x = 162,409,242,125,038.88/21,090,159
  6. Step 6: Final answer
    x = 7,700,712.08

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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.