Home / 42,148,946.76-63,232,444.55-12,607,457.19

Finding the Fourth Proportional to 42,148,946.76, 63,232,444.55 and 12,607,457.19

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Solution

The fourth proportional to 42,148,946.76, 63,232,444.55 and 12,607,457.19 is: 18,913,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,148,946.76 : 63,232,444.55 = 12,607,457.19 : x
  2. Step 2: Convert to fraction form
    42,148,946.76/63,232,444.55 = 12,607,457.19/x
  3. Step 3: Cross multiply
    42,148,946.76x = 63,232,444.55 × 12,607,457.19
  4. Step 4: Simplify right side
    42,148,946.76x = 797,200,337,683,173.75
  5. Step 5: Solve for x
    x = 797,200,337,683,173.75/42,148,946.76
  6. Step 6: Final answer
    x = 18,913,885.14

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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.