Home / 13,565,617.24-18,720,547.50-7,454,439.40

Finding the Fourth Proportional to 13,565,617.24, 18,720,547.50 and 7,454,439.40

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Solution

The fourth proportional to 13,565,617.24, 18,720,547.50 and 7,454,439.40 is: 10,287,124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565,617.24 : 18,720,547.50 = 7,454,439.40 : x
  2. Step 2: Convert to fraction form
    13,565,617.24/18,720,547.50 = 7,454,439.40/x
  3. Step 3: Cross multiply
    13,565,617.24x = 18,720,547.50 × 7,454,439.40
  4. Step 4: Simplify right side
    13,565,617.24x = 139,551,186,779,968.75
  5. Step 5: Solve for x
    x = 139,551,186,779,968.75/13,565,617.24
  6. Step 6: Final answer
    x = 10,287,124.01

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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.