Home / 14,298,129.34-19,731,442.34-7,771,742.26

Finding the Fourth Proportional to 14,298,129.34, 19,731,442.34 and 7,771,742.26

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Solution

The fourth proportional to 14,298,129.34, 19,731,442.34 and 7,771,742.26 is: 10,725,017.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298,129.34 : 19,731,442.34 = 7,771,742.26 : x
  2. Step 2: Convert to fraction form
    14,298,129.34/19,731,442.34 = 7,771,742.26/x
  3. Step 3: Cross multiply
    14,298,129.34x = 19,731,442.34 × 7,771,742.26
  4. Step 4: Simplify right side
    14,298,129.34x = 153,347,684,284,531.28
  5. Step 5: Solve for x
    x = 153,347,684,284,531.28/14,298,129.34
  6. Step 6: Final answer
    x = 10,725,017.28

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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.