Home / 13,899,307.08-19,181,030.94-7,787,779.32

Finding the Fourth Proportional to 13,899,307.08, 19,181,030.94 and 7,787,779.32

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Solution

The fourth proportional to 13,899,307.08, 19,181,030.94 and 7,787,779.32 is: 10,747,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899,307.08 : 19,181,030.94 = 7,787,779.32 : x
  2. Step 2: Convert to fraction form
    13,899,307.08/19,181,030.94 = 7,787,779.32/x
  3. Step 3: Cross multiply
    13,899,307.08x = 19,181,030.94 × 7,787,779.32
  4. Step 4: Simplify right side
    13,899,307.08x = 149,377,636,090,812.19
  5. Step 5: Solve for x
    x = 149,377,636,090,812.19/13,899,307.08
  6. Step 6: Final answer
    x = 10,747,128.27

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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.