Home / 21,596,875.50-32,407,270.65-12,939,701.34

Finding the Fourth Proportional to 21,596,875.50, 32,407,270.65 and 12,939,701.34

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Solution

The fourth proportional to 21,596,875.50, 32,407,270.65 and 12,939,701.34 is: 19,416,716.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,596,875.50 : 32,407,270.65 = 12,939,701.34 : x
  2. Step 2: Convert to fraction form
    21,596,875.50/32,407,270.65 = 12,939,701.34/x
  3. Step 3: Cross multiply
    21,596,875.50x = 32,407,270.65 × 12,939,701.34
  4. Step 4: Simplify right side
    21,596,875.50x = 419,340,403,455,547.62
  5. Step 5: Solve for x
    x = 419,340,403,455,547.62/21,596,875.50
  6. Step 6: Final answer
    x = 19,416,716.25

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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.