Home / 42,303,669.10-63,455,503.65-12,011,532.10

Finding the Fourth Proportional to 42,303,669.10, 63,455,503.65 and 12,011,532.10

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Solution

The fourth proportional to 42,303,669.10, 63,455,503.65 and 12,011,532.10 is: 18,017,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,669.10 : 63,455,503.65 = 12,011,532.10 : x
  2. Step 2: Convert to fraction form
    42,303,669.10/63,455,503.65 = 12,011,532.10/x
  3. Step 3: Cross multiply
    42,303,669.10x = 63,455,503.65 × 12,011,532.10
  4. Step 4: Simplify right side
    42,303,669.10x = 762,197,819,013,642.12
  5. Step 5: Solve for x
    x = 762,197,819,013,642.12/42,303,669.10
  6. Step 6: Final answer
    x = 18,017,298.15

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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.