Home / 13,659,666.66-18,849,599.91-7,547,701.50

Finding the Fourth Proportional to 13,659,666.66, 18,849,599.91 and 7,547,701.50

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Solution

The fourth proportional to 13,659,666.66, 18,849,599.91 and 7,547,701.50 is: 10,415,419.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,659,666.66 : 18,849,599.91 = 7,547,701.50 : x
  2. Step 2: Convert to fraction form
    13,659,666.66/18,849,599.91 = 7,547,701.50/x
  3. Step 3: Cross multiply
    13,659,666.66x = 18,849,599.91 × 7,547,701.50
  4. Step 4: Simplify right side
    13,659,666.66x = 142,271,153,515,106.88
  5. Step 5: Solve for x
    x = 142,271,153,515,106.88/13,659,666.66
  6. Step 6: Final answer
    x = 10,415,419.14

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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.