Home / 14,320,085.40-21,461,465.70-6,642,840.60

Finding the Fourth Proportional to 14,320,085.40, 21,461,465.70 and 6,642,840.60

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Solution

The fourth proportional to 14,320,085.40, 21,461,465.70 and 6,642,840.60 is: 9,955,603.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,320,085.40 : 21,461,465.70 = 6,642,840.60 : x
  2. Step 2: Convert to fraction form
    14,320,085.40/21,461,465.70 = 6,642,840.60/x
  3. Step 3: Cross multiply
    14,320,085.40x = 21,461,465.70 × 6,642,840.60
  4. Step 4: Simplify right side
    14,320,085.40x = 142,565,095,687,467.41
  5. Step 5: Solve for x
    x = 142,565,095,687,467.41/14,320,085.40
  6. Step 6: Final answer
    x = 9,955,603.73

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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.