Home / 20,317,281.30-28,029,866.40-11,610,783

Finding the Fourth Proportional to 20,317,281.30, 28,029,866.40 and 11,610,783

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Solution

The fourth proportional to 20,317,281.30, 28,029,866.40 and 11,610,783 is: 16,018,319.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,281.30 : 28,029,866.40 = 11,610,783 : x
  2. Step 2: Convert to fraction form
    20,317,281.30/28,029,866.40 = 11,610,783/x
  3. Step 3: Cross multiply
    20,317,281.30x = 28,029,866.40 × 11,610,783
  4. Step 4: Simplify right side
    20,317,281.30x = 325,448,696,289,391.19
  5. Step 5: Solve for x
    x = 325,448,696,289,391.19/20,317,281.30
  6. Step 6: Final answer
    x = 16,018,319.16

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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.