Home / 15,779,374.58-21,775,325.23-8,810,159.17

Finding the Fourth Proportional to 15,779,374.58, 21,775,325.23 and 8,810,159.17

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Solution

The fourth proportional to 15,779,374.58, 21,775,325.23 and 8,810,159.17 is: 12,157,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,779,374.58 : 21,775,325.23 = 8,810,159.17 : x
  2. Step 2: Convert to fraction form
    15,779,374.58/21,775,325.23 = 8,810,159.17/x
  3. Step 3: Cross multiply
    15,779,374.58x = 21,775,325.23 × 8,810,159.17
  4. Step 4: Simplify right side
    15,779,374.58x = 191,844,081,101,889.44
  5. Step 5: Solve for x
    x = 191,844,081,101,889.44/15,779,374.58
  6. Step 6: Final answer
    x = 12,157,901.45

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1.5x scale

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.