Home / 42,148,948.92-63,232,448.07-12,607,459.50

Finding the Fourth Proportional to 42,148,948.92, 63,232,448.07 and 12,607,459.50

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Solution

The fourth proportional to 42,148,948.92, 63,232,448.07 and 12,607,459.50 is: 18,913,888.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148,948.92 : 63,232,448.07 = 12,607,459.50 : x
  2. Step 2: Convert to fraction form
    42,148,948.92/63,232,448.07 = 12,607,459.50/x
  3. Step 3: Cross multiply
    42,148,948.92x = 63,232,448.07 × 12,607,459.50
  4. Step 4: Simplify right side
    42,148,948.92x = 797,200,528,128,378.12
  5. Step 5: Solve for x
    x = 797,200,528,128,378.12/42,148,948.92
  6. Step 6: Final answer
    x = 18,913,888.69

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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.