Home / 21,428,573.48-32,143,526.81-10,196,030.76

Finding the Fourth Proportional to 21,428,573.48, 32,143,526.81 and 10,196,030.76

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Solution

The fourth proportional to 21,428,573.48, 32,143,526.81 and 10,196,030.76 is: 15,294,363.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,428,573.48 : 32,143,526.81 = 10,196,030.76 : x
  2. Step 2: Convert to fraction form
    21,428,573.48/32,143,526.81 = 10,196,030.76/x
  3. Step 3: Cross multiply
    21,428,573.48x = 32,143,526.81 × 10,196,030.76
  4. Step 4: Simplify right side
    21,428,573.48x = 327,736,388,038,664.50
  5. Step 5: Solve for x
    x = 327,736,388,038,664.50/21,428,573.48
  6. Step 6: Final answer
    x = 15,294,363.31

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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.