Home / 21,870,140.90-32,805,211.35-21,551,276.30

Finding the Fourth Proportional to 21,870,140.90, 32,805,211.35 and 21,551,276.30

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Solution

The fourth proportional to 21,870,140.90, 32,805,211.35 and 21,551,276.30 is: 32,326,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,140.90 : 32,805,211.35 = 21,551,276.30 : x
  2. Step 2: Convert to fraction form
    21,870,140.90/32,805,211.35 = 21,551,276.30/x
  3. Step 3: Cross multiply
    21,870,140.90x = 32,805,211.35 × 21,551,276.30
  4. Step 4: Simplify right side
    21,870,140.90x = 706,994,173,883,746
  5. Step 5: Solve for x
    x = 706,994,173,883,746/21,870,140.90
  6. Step 6: Final answer
    x = 32,326,914.45

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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.