Home / 19,159,430.40-28,739,145.60-17,773,747.20

Finding the Fourth Proportional to 19,159,430.40, 28,739,145.60 and 17,773,747.20

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Solution

The fourth proportional to 19,159,430.40, 28,739,145.60 and 17,773,747.20 is: 26,660,620.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,159,430.40 : 28,739,145.60 = 17,773,747.20 : x
  2. Step 2: Convert to fraction form
    19,159,430.40/28,739,145.60 = 17,773,747.20/x
  3. Step 3: Cross multiply
    19,159,430.40x = 28,739,145.60 × 17,773,747.20
  4. Step 4: Simplify right side
    19,159,430.40x = 510,802,308,638,392.31
  5. Step 5: Solve for x
    x = 510,802,308,638,392.31/19,159,430.40
  6. Step 6: Final answer
    x = 26,660,620.80

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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.