Home / 21,429,009.35-29,572,272.54-12,610,410.26

Finding the Fourth Proportional to 21,429,009.35, 29,572,272.54 and 12,610,410.26

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Solution

The fourth proportional to 21,429,009.35, 29,572,272.54 and 12,610,410.26 is: 17,402,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,009.35 : 29,572,272.54 = 12,610,410.26 : x
  2. Step 2: Convert to fraction form
    21,429,009.35/29,572,272.54 = 12,610,410.26/x
  3. Step 3: Cross multiply
    21,429,009.35x = 29,572,272.54 × 12,610,410.26
  4. Step 4: Simplify right side
    21,429,009.35x = 372,918,488,902,070.94
  5. Step 5: Solve for x
    x = 372,918,488,902,070.94/21,429,009.35
  6. Step 6: Final answer
    x = 17,402,507.17

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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.