Home / 42,579,985.48-63,869,971.68-10,231,888.39

Finding the Fourth Proportional to 42,579,985.48, 63,869,971.68 and 10,231,888.39

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Solution

The fourth proportional to 42,579,985.48, 63,869,971.68 and 10,231,888.39 is: 15,347,831.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,579,985.48 : 63,869,971.68 = 10,231,888.39 : x
  2. Step 2: Convert to fraction form
    42,579,985.48/63,869,971.68 = 10,231,888.39/x
  3. Step 3: Cross multiply
    42,579,985.48x = 63,869,971.68 × 10,231,888.39
  4. Step 4: Simplify right side
    42,579,985.48x = 653,510,421,702,220.88
  5. Step 5: Solve for x
    x = 653,510,421,702,220.88/42,579,985.48
  6. Step 6: Final answer
    x = 15,347,831.01

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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.