Home / 16,742,129.81-25,100,421.24-7,637,860.40

Finding the Fourth Proportional to 16,742,129.81, 25,100,421.24 and 7,637,860.40

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Solution

The fourth proportional to 16,742,129.81, 25,100,421.24 and 7,637,860.40 is: 11,450,963.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742,129.81 : 25,100,421.24 = 7,637,860.40 : x
  2. Step 2: Convert to fraction form
    16,742,129.81/25,100,421.24 = 7,637,860.40/x
  3. Step 3: Cross multiply
    16,742,129.81x = 25,100,421.24 × 7,637,860.40
  4. Step 4: Simplify right side
    16,742,129.81x = 191,713,513,412,314.91
  5. Step 5: Solve for x
    x = 191,713,513,412,314.91/16,742,129.81
  6. Step 6: Final answer
    x = 11,450,963.26

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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.