Home / 31,303,320.40-46,954,980.60-19,210,085.20

Finding the Fourth Proportional to 31,303,320.40, 46,954,980.60 and 19,210,085.20

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Solution

The fourth proportional to 31,303,320.40, 46,954,980.60 and 19,210,085.20 is: 28,815,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,303,320.40 : 46,954,980.60 = 19,210,085.20 : x
  2. Step 2: Convert to fraction form
    31,303,320.40/46,954,980.60 = 19,210,085.20/x
  3. Step 3: Cross multiply
    31,303,320.40x = 46,954,980.60 × 19,210,085.20
  4. Step 4: Simplify right side
    31,303,320.40x = 902,009,177,890,347.12
  5. Step 5: Solve for x
    x = 902,009,177,890,347.12/31,303,320.40
  6. Step 6: Final answer
    x = 28,815,127.80

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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.