Home / 14,173,981.80-19,518,915.84-12,312,547.50

Finding the Fourth Proportional to 14,173,981.80, 19,518,915.84 and 12,312,547.50

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Solution

The fourth proportional to 14,173,981.80, 19,518,915.84 and 12,312,547.50 is: 16,955,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,173,981.80 : 19,518,915.84 = 12,312,547.50 : x
  2. Step 2: Convert to fraction form
    14,173,981.80/19,518,915.84 = 12,312,547.50/x
  3. Step 3: Cross multiply
    14,173,981.80x = 19,518,915.84 × 12,312,547.50
  4. Step 4: Simplify right side
    14,173,981.80x = 240,327,578,524,784.38
  5. Step 5: Solve for x
    x = 240,327,578,524,784.38/14,173,981.80
  6. Step 6: Final answer
    x = 16,955,544.45

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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.