Home / 12,703,121,895.36-19,042,241,242.56-7,109,790,352.32

Finding the Fourth Proportional to 12,703,121,895.36, 19,042,241,242.56 and 7,109,790,352.32

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Solution

The fourth proportional to 12,703,121,895.36, 19,042,241,242.56 and 7,109,790,352.32 is: 10,657,722,108.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703,121,895.36 : 19,042,241,242.56 = 7,109,790,352.32 : x
  2. Step 2: Convert to fraction form
    12,703,121,895.36/19,042,241,242.56 = 7,109,790,352.32/x
  3. Step 3: Cross multiply
    12,703,121,895.36x = 19,042,241,242.56 × 7,109,790,352.32
  4. Step 4: Simplify right side
    12,703,121,895.36x = 135,386,343,072,903,102,464
  5. Step 5: Solve for x
    x = 135,386,343,072,903,102,464/12,703,121,895.36
  6. Step 6: Final answer
    x = 10,657,722,108.64

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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.