Home / 21,386,193.60-32,078,998.80-7,009,730.40

Finding the Fourth Proportional to 21,386,193.60, 32,078,998.80 and 7,009,730.40

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Solution

The fourth proportional to 21,386,193.60, 32,078,998.80 and 7,009,730.40 is: 10,514,500.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,386,193.60 : 32,078,998.80 = 7,009,730.40 : x
  2. Step 2: Convert to fraction form
    21,386,193.60/32,078,998.80 = 7,009,730.40/x
  3. Step 3: Cross multiply
    21,386,193.60x = 32,078,998.80 × 7,009,730.40
  4. Step 4: Simplify right side
    21,386,193.60x = 224,865,133,089,923.53
  5. Step 5: Solve for x
    x = 224,865,133,089,923.53/21,386,193.60
  6. Step 6: Final answer
    x = 10,514,500.02

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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.