Home / 28,564,567.42-39,446,006.43-19,886,468.98

Finding the Fourth Proportional to 28,564,567.42, 39,446,006.43 and 19,886,468.98

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Solution

The fourth proportional to 28,564,567.42, 39,446,006.43 and 19,886,468.98 is: 27,462,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564,567.42 : 39,446,006.43 = 19,886,468.98 : x
  2. Step 2: Convert to fraction form
    28,564,567.42/39,446,006.43 = 19,886,468.98/x
  3. Step 3: Cross multiply
    28,564,567.42x = 39,446,006.43 × 19,886,468.98
  4. Step 4: Simplify right side
    28,564,567.42x = 784,441,783,255,075.50
  5. Step 5: Solve for x
    x = 784,441,783,255,075.50/28,564,567.42
  6. Step 6: Final answer
    x = 27,462,057.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.