Home / 39,356,985.60-59,046,537.60-19,162,886.40

Finding the Fourth Proportional to 39,356,985.60, 59,046,537.60 and 19,162,886.40

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Solution

The fourth proportional to 39,356,985.60, 59,046,537.60 and 19,162,886.40 is: 28,749,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,356,985.60 : 59,046,537.60 = 19,162,886.40 : x
  2. Step 2: Convert to fraction form
    39,356,985.60/59,046,537.60 = 19,162,886.40/x
  3. Step 3: Cross multiply
    39,356,985.60x = 59,046,537.60 × 19,162,886.40
  4. Step 4: Simplify right side
    39,356,985.60x = 1,131,502,092,342,128.50
  5. Step 5: Solve for x
    x = 1,131,502,092,342,128.50/39,356,985.60
  6. Step 6: Final answer
    x = 28,749,714.32

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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.