Home / 7,638,298.95-10,540,641.80-4,200,539.98

Finding the Fourth Proportional to 7,638,298.95, 10,540,641.80 and 4,200,539.98

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Solution

The fourth proportional to 7,638,298.95, 10,540,641.80 and 4,200,539.98 is: 5,796,629.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638,298.95 : 10,540,641.80 = 4,200,539.98 : x
  2. Step 2: Convert to fraction form
    7,638,298.95/10,540,641.80 = 4,200,539.98/x
  3. Step 3: Cross multiply
    7,638,298.95x = 10,540,641.80 × 4,200,539.98
  4. Step 4: Simplify right side
    7,638,298.95x = 44,276,387,243,055.95
  5. Step 5: Solve for x
    x = 44,276,387,243,055.95/7,638,298.95
  6. Step 6: Final answer
    x = 5,796,629.27

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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.