Home / 21,429,447.86-29,572,875.96-12,610,848.26

Finding the Fourth Proportional to 21,429,447.86, 29,572,875.96 and 12,610,848.26

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Solution

The fourth proportional to 21,429,447.86, 29,572,875.96 and 12,610,848.26 is: 17,403,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,429,447.86 : 29,572,875.96 = 12,610,848.26 : x
  2. Step 2: Convert to fraction form
    21,429,447.86/29,572,875.96 = 12,610,848.26/x
  3. Step 3: Cross multiply
    21,429,447.86x = 29,572,875.96 × 12,610,848.26
  4. Step 4: Simplify right side
    21,429,447.86x = 372,939,051,343,361.81
  5. Step 5: Solve for x
    x = 372,939,051,343,361.81/21,429,447.86
  6. Step 6: Final answer
    x = 17,403,110.61

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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.