Home / 47,990,730.60-71,986,095.90-21,064,386.60

Finding the Fourth Proportional to 47,990,730.60, 71,986,095.90 and 21,064,386.60

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Solution

The fourth proportional to 47,990,730.60, 71,986,095.90 and 21,064,386.60 is: 31,596,579.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990,730.60 : 71,986,095.90 = 21,064,386.60 : x
  2. Step 2: Convert to fraction form
    47,990,730.60/71,986,095.90 = 21,064,386.60/x
  3. Step 3: Cross multiply
    47,990,730.60x = 71,986,095.90 × 21,064,386.60
  4. Step 4: Simplify right side
    47,990,730.60x = 1,516,342,953,862,275.25
  5. Step 5: Solve for x
    x = 1,516,342,953,862,275.25/47,990,730.60
  6. Step 6: Final answer
    x = 31,596,579.90

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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.