Home / 21,417,824.40-32,139,501.90-7,772,035.30

Finding the Fourth Proportional to 21,417,824.40, 32,139,501.90 and 7,772,035.30

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Solution

The fourth proportional to 21,417,824.40, 32,139,501.90 and 7,772,035.30 is: 11,662,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,417,824.40 : 32,139,501.90 = 7,772,035.30 : x
  2. Step 2: Convert to fraction form
    21,417,824.40/32,139,501.90 = 7,772,035.30/x
  3. Step 3: Cross multiply
    21,417,824.40x = 32,139,501.90 × 7,772,035.30
  4. Step 4: Simplify right side
    21,417,824.40x = 249,789,343,291,217.06
  5. Step 5: Solve for x
    x = 249,789,343,291,217.06/21,417,824.40
  6. Step 6: Final answer
    x = 11,662,685.18

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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.