Home / 13,210,298.22-19,817,417.25-4,689,921.18

Finding the Fourth Proportional to 13,210,298.22, 19,817,417.25 and 4,689,921.18

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Solution

The fourth proportional to 13,210,298.22, 19,817,417.25 and 4,689,921.18 is: 7,035,581.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210,298.22 : 19,817,417.25 = 4,689,921.18 : x
  2. Step 2: Convert to fraction form
    13,210,298.22/19,817,417.25 = 4,689,921.18/x
  3. Step 3: Cross multiply
    13,210,298.22x = 19,817,417.25 × 4,689,921.18
  4. Step 4: Simplify right side
    13,210,298.22x = 92,942,124,893,672.34
  5. Step 5: Solve for x
    x = 92,942,124,893,672.34/13,210,298.22
  6. Step 6: Final answer
    x = 7,035,581.13

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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.