Home / 12,817,942.64-17,688,809.52-7,017,264.08

Finding the Fourth Proportional to 12,817,942.64, 17,688,809.52 and 7,017,264.08

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Solution

The fourth proportional to 12,817,942.64, 17,688,809.52 and 7,017,264.08 is: 9,683,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,942.64 : 17,688,809.52 = 7,017,264.08 : x
  2. Step 2: Convert to fraction form
    12,817,942.64/17,688,809.52 = 7,017,264.08/x
  3. Step 3: Cross multiply
    12,817,942.64x = 17,688,809.52 × 7,017,264.08
  4. Step 4: Simplify right side
    12,817,942.64x = 124,127,047,662,658.05
  5. Step 5: Solve for x
    x = 124,127,047,662,658.05/12,817,942.64
  6. Step 6: Final answer
    x = 9,683,851.08

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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.