Home / 9,989,695.36-13,785,814.40-5,406,015.52

Finding the Fourth Proportional to 9,989,695.36, 13,785,814.40 and 5,406,015.52

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Solution

The fourth proportional to 9,989,695.36, 13,785,814.40 and 5,406,015.52 is: 7,460,320.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,695.36 : 13,785,814.40 = 5,406,015.52 : x
  2. Step 2: Convert to fraction form
    9,989,695.36/13,785,814.40 = 5,406,015.52/x
  3. Step 3: Cross multiply
    9,989,695.36x = 13,785,814.40 × 5,406,015.52
  4. Step 4: Simplify right side
    9,989,695.36x = 74,526,326,602,239.48
  5. Step 5: Solve for x
    x = 74,526,326,602,239.48/9,989,695.36
  6. Step 6: Final answer
    x = 7,460,320.25

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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.