Home / 42,249,928.32-63,374,212.08-13,495,874.40

Finding the Fourth Proportional to 42,249,928.32, 63,374,212.08 and 13,495,874.40

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Solution

The fourth proportional to 42,249,928.32, 63,374,212.08 and 13,495,874.40 is: 20,243,594.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,249,928.32 : 63,374,212.08 = 13,495,874.40 : x
  2. Step 2: Convert to fraction form
    42,249,928.32/63,374,212.08 = 13,495,874.40/x
  3. Step 3: Cross multiply
    42,249,928.32x = 63,374,212.08 × 13,495,874.40
  4. Step 4: Simplify right side
    42,249,928.32x = 855,290,406,430,642.75
  5. Step 5: Solve for x
    x = 855,290,406,430,642.75/42,249,928.32
  6. Step 6: Final answer
    x = 20,243,594.26

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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.