Home / 18,759,060.81-25,888,312.98-10,386,430.50

Finding the Fourth Proportional to 18,759,060.81, 25,888,312.98 and 10,386,430.50

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Solution

The fourth proportional to 18,759,060.81, 25,888,312.98 and 10,386,430.50 is: 14,333,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759,060.81 : 25,888,312.98 = 10,386,430.50 : x
  2. Step 2: Convert to fraction form
    18,759,060.81/25,888,312.98 = 10,386,430.50/x
  3. Step 3: Cross multiply
    18,759,060.81x = 25,888,312.98 × 10,386,430.50
  4. Step 4: Simplify right side
    18,759,060.81x = 268,887,163,529,017.91
  5. Step 5: Solve for x
    x = 268,887,163,529,017.91/18,759,060.81
  6. Step 6: Final answer
    x = 14,333,722.05

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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.