Home / 34,765,830.40-52,128,009.60-21,312,313.60

Finding the Fourth Proportional to 34,765,830.40, 52,128,009.60 and 21,312,313.60

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Solution

The fourth proportional to 34,765,830.40, 52,128,009.60 and 21,312,313.60 is: 31,955,758.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765,830.40 : 52,128,009.60 = 21,312,313.60 : x
  2. Step 2: Convert to fraction form
    34,765,830.40/52,128,009.60 = 21,312,313.60/x
  3. Step 3: Cross multiply
    34,765,830.40x = 52,128,009.60 × 21,312,313.60
  4. Step 4: Simplify right side
    34,765,830.40x = 1,110,968,487,939,010.62
  5. Step 5: Solve for x
    x = 1,110,968,487,939,010.62/34,765,830.40
  6. Step 6: Final answer
    x = 31,955,758.72

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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.