Home / 28,446,428-39,257,848.32-16,058,620.24

Finding the Fourth Proportional to 28,446,428, 39,257,848.32 and 16,058,620.24

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Solution

The fourth proportional to 28,446,428, 39,257,848.32 and 16,058,620.24 is: 22,161,899.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,446,428 : 39,257,848.32 = 16,058,620.24 : x
  2. Step 2: Convert to fraction form
    28,446,428/39,257,848.32 = 16,058,620.24/x
  3. Step 3: Cross multiply
    28,446,428x = 39,257,848.32 × 16,058,620.24
  4. Step 4: Simplify right side
    28,446,428x = 630,426,877,610,402
  5. Step 5: Solve for x
    x = 630,426,877,610,402/28,446,428
  6. Step 6: Final answer
    x = 22,161,899.47

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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.