Home / 28,402,863.60-42,604,295.40-19,332,937.20

Finding the Fourth Proportional to 28,402,863.60, 42,604,295.40 and 19,332,937.20

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Solution

The fourth proportional to 28,402,863.60, 42,604,295.40 and 19,332,937.20 is: 28,999,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,863.60 : 42,604,295.40 = 19,332,937.20 : x
  2. Step 2: Convert to fraction form
    28,402,863.60/42,604,295.40 = 19,332,937.20/x
  3. Step 3: Cross multiply
    28,402,863.60x = 42,604,295.40 × 19,332,937.20
  4. Step 4: Simplify right side
    28,402,863.60x = 823,666,167,418,448.88
  5. Step 5: Solve for x
    x = 823,666,167,418,448.88/28,402,863.60
  6. Step 6: Final answer
    x = 28,999,405.80

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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.