Home / 21,698,631.60-32,547,947.12-16,909,903.52

Finding the Fourth Proportional to 21,698,631.60, 32,547,947.12 and 16,909,903.52

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Solution

The fourth proportional to 21,698,631.60, 32,547,947.12 and 16,909,903.52 is: 25,364,855.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698,631.60 : 32,547,947.12 = 16,909,903.52 : x
  2. Step 2: Convert to fraction form
    21,698,631.60/32,547,947.12 = 16,909,903.52/x
  3. Step 3: Cross multiply
    21,698,631.60x = 32,547,947.12 × 16,909,903.52
  4. Step 4: Simplify right side
    21,698,631.60x = 550,382,645,573,261.88
  5. Step 5: Solve for x
    x = 550,382,645,573,261.88/21,698,631.60
  6. Step 6: Final answer
    x = 25,364,855.06

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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.