Home / 42,774,801.70-64,177,948.95-14,021,875.30

Finding the Fourth Proportional to 42,774,801.70, 64,177,948.95 and 14,021,875.30

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Solution

The fourth proportional to 42,774,801.70, 64,177,948.95 and 14,021,875.30 is: 21,037,974.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774,801.70 : 64,177,948.95 = 14,021,875.30 : x
  2. Step 2: Convert to fraction form
    42,774,801.70/64,177,948.95 = 14,021,875.30/x
  3. Step 3: Cross multiply
    42,774,801.70x = 64,177,948.95 × 14,021,875.30
  4. Step 4: Simplify right side
    42,774,801.70x = 899,895,197,186,666
  5. Step 5: Solve for x
    x = 899,895,197,186,666/42,774,801.70
  6. Step 6: Final answer
    x = 21,037,974.73

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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.