Home / 28,735,643.40-43,103,465.10-23,633,809.80

Finding the Fourth Proportional to 28,735,643.40, 43,103,465.10 and 23,633,809.80

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Solution

The fourth proportional to 28,735,643.40, 43,103,465.10 and 23,633,809.80 is: 35,450,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735,643.40 : 43,103,465.10 = 23,633,809.80 : x
  2. Step 2: Convert to fraction form
    28,735,643.40/43,103,465.10 = 23,633,809.80/x
  3. Step 3: Cross multiply
    28,735,643.40x = 43,103,465.10 × 23,633,809.80
  4. Step 4: Simplify right side
    28,735,643.40x = 1,018,699,095,894,338
  5. Step 5: Solve for x
    x = 1,018,699,095,894,338/28,735,643.40
  6. Step 6: Final answer
    x = 35,450,714.70

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1.5x scale

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.