Home / 38,179,968-52,688,364.48-21,010,560

Finding the Fourth Proportional to 38,179,968, 52,688,364.48 and 21,010,560

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Solution

The fourth proportional to 38,179,968, 52,688,364.48 and 21,010,560 is: 28,994,577.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179,968 : 52,688,364.48 = 21,010,560 : x
  2. Step 2: Convert to fraction form
    38,179,968/52,688,364.48 = 21,010,560/x
  3. Step 3: Cross multiply
    38,179,968x = 52,688,364.48 × 21,010,560
  4. Step 4: Simplify right side
    38,179,968x = 1,107,012,043,208,908.75
  5. Step 5: Solve for x
    x = 1,107,012,043,208,908.75/38,179,968
  6. Step 6: Final answer
    x = 28,994,577.55

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1.5x scale

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.