Home / 19,870,683.12-29,817,591.48-8,355,317.04

Finding the Fourth Proportional to 19,870,683.12, 29,817,591.48 and 8,355,317.04

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Solution

The fourth proportional to 19,870,683.12, 29,817,591.48 and 8,355,317.04 is: 12,537,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870,683.12 : 29,817,591.48 = 8,355,317.04 : x
  2. Step 2: Convert to fraction form
    19,870,683.12/29,817,591.48 = 8,355,317.04/x
  3. Step 3: Cross multiply
    19,870,683.12x = 29,817,591.48 × 8,355,317.04
  4. Step 4: Simplify right side
    19,870,683.12x = 249,135,430,184,602.81
  5. Step 5: Solve for x
    x = 249,135,430,184,602.81/19,870,683.12
  6. Step 6: Final answer
    x = 12,537,839.22

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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.