Home / 21,870,133.40-32,805,200.10-7,488,421.40

Finding the Fourth Proportional to 21,870,133.40, 32,805,200.10 and 7,488,421.40

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Solution

The fourth proportional to 21,870,133.40, 32,805,200.10 and 7,488,421.40 is: 11,232,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,870,133.40 : 32,805,200.10 = 7,488,421.40 : x
  2. Step 2: Convert to fraction form
    21,870,133.40/32,805,200.10 = 7,488,421.40/x
  3. Step 3: Cross multiply
    21,870,133.40x = 32,805,200.10 × 7,488,421.40
  4. Step 4: Simplify right side
    21,870,133.40x = 245,659,162,460,122.16
  5. Step 5: Solve for x
    x = 245,659,162,460,122.16/21,870,133.40
  6. Step 6: Final answer
    x = 11,232,632.10

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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.