Home / 28,402,953.10-42,604,429.65-19,333,026.70

Finding the Fourth Proportional to 28,402,953.10, 42,604,429.65 and 19,333,026.70

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Solution

The fourth proportional to 28,402,953.10, 42,604,429.65 and 19,333,026.70 is: 28,999,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,402,953.10 : 42,604,429.65 = 19,333,026.70 : x
  2. Step 2: Convert to fraction form
    28,402,953.10/42,604,429.65 = 19,333,026.70/x
  3. Step 3: Cross multiply
    28,402,953.10x = 42,604,429.65 × 19,333,026.70
  4. Step 4: Simplify right side
    28,402,953.10x = 823,672,575,961,721.62
  5. Step 5: Solve for x
    x = 823,672,575,961,721.62/28,402,953.10
  6. Step 6: Final answer
    x = 28,999,540.05

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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.