Home / 15,779,497.80-23,669,246.70-8,205,479.40

Finding the Fourth Proportional to 15,779,497.80, 23,669,246.70 and 8,205,479.40

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Solution

The fourth proportional to 15,779,497.80, 23,669,246.70 and 8,205,479.40 is: 12,308,219.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,497.80 : 23,669,246.70 = 8,205,479.40 : x
  2. Step 2: Convert to fraction form
    15,779,497.80/23,669,246.70 = 8,205,479.40/x
  3. Step 3: Cross multiply
    15,779,497.80x = 23,669,246.70 × 8,205,479.40
  4. Step 4: Simplify right side
    15,779,497.80x = 194,217,516,210,367.97
  5. Step 5: Solve for x
    x = 194,217,516,210,367.97/15,779,497.80
  6. Step 6: Final answer
    x = 12,308,219.10

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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.