Home / 15,706,022.51-21,677,415.51-10,191,655.10

Finding the Fourth Proportional to 15,706,022.51, 21,677,415.51 and 10,191,655.10

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Solution

The fourth proportional to 15,706,022.51, 21,677,415.51 and 10,191,655.10 is: 14,066,498.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706,022.51 : 21,677,415.51 = 10,191,655.10 : x
  2. Step 2: Convert to fraction form
    15,706,022.51/21,677,415.51 = 10,191,655.10/x
  3. Step 3: Cross multiply
    15,706,022.51x = 21,677,415.51 × 10,191,655.10
  4. Step 4: Simplify right side
    15,706,022.51x = 220,928,742,429,722.84
  5. Step 5: Solve for x
    x = 220,928,742,429,722.84/15,706,022.51
  6. Step 6: Final answer
    x = 14,066,498.52

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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.