Home / 19,681,510.26-29,520,271.98-5,306,031.21

Finding the Fourth Proportional to 19,681,510.26, 29,520,271.98 and 5,306,031.21

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Solution

The fourth proportional to 19,681,510.26, 29,520,271.98 and 5,306,031.21 is: 7,958,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,510.26 : 29,520,271.98 = 5,306,031.21 : x
  2. Step 2: Convert to fraction form
    19,681,510.26/29,520,271.98 = 5,306,031.21/x
  3. Step 3: Cross multiply
    19,681,510.26x = 29,520,271.98 × 5,306,031.21
  4. Step 4: Simplify right side
    19,681,510.26x = 156,635,484,453,568.50
  5. Step 5: Solve for x
    x = 156,635,484,453,568.50/19,681,510.26
  6. Step 6: Final answer
    x = 7,958,509.40

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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.