Home / 14,021,577.72-19,349,965.26-7,909,987.32

Finding the Fourth Proportional to 14,021,577.72, 19,349,965.26 and 7,909,987.32

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Solution

The fourth proportional to 14,021,577.72, 19,349,965.26 and 7,909,987.32 is: 10,915,888.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021,577.72 : 19,349,965.26 = 7,909,987.32 : x
  2. Step 2: Convert to fraction form
    14,021,577.72/19,349,965.26 = 7,909,987.32/x
  3. Step 3: Cross multiply
    14,021,577.72x = 19,349,965.26 × 7,909,987.32
  4. Step 4: Simplify right side
    14,021,577.72x = 153,057,979,849,040.53
  5. Step 5: Solve for x
    x = 153,057,979,849,040.53/14,021,577.72
  6. Step 6: Final answer
    x = 10,915,888.56

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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.