Home / 14,232,109.78-19,640,228.34-7,705,602.28

Finding the Fourth Proportional to 14,232,109.78, 19,640,228.34 and 7,705,602.28

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Solution

The fourth proportional to 14,232,109.78, 19,640,228.34 and 7,705,602.28 is: 10,633,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,232,109.78 : 19,640,228.34 = 7,705,602.28 : x
  2. Step 2: Convert to fraction form
    14,232,109.78/19,640,228.34 = 7,705,602.28/x
  3. Step 3: Cross multiply
    14,232,109.78x = 19,640,228.34 × 7,705,602.28
  4. Step 4: Simplify right side
    14,232,109.78x = 151,339,788,276,424.62
  5. Step 5: Solve for x
    x = 151,339,788,276,424.62/14,232,109.78
  6. Step 6: Final answer
    x = 10,633,686.12

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1.5x scale

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.