Finding the Fourth Proportional to 17,927,309.55, 26,903,918.05 and 7,138,392.65
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Solution
The fourth proportional to 17,927,309.55, 26,903,918.05 and 7,138,392.65 is: 10,712,746.95
Step by Step Solution
- Step 1: Write the proportion equation
17,927,309.55 : 26,903,918.05 = 7,138,392.65 : x - Step 2: Convert to fraction form
17,927,309.55/26,903,918.05 = 7,138,392.65/x - Step 3: Cross multiply
17,927,309.55x = 26,903,918.05 × 7,138,392.65 - Step 4: Simplify right side
17,927,309.55x = 192,050,730,729,802.75 - Step 5: Solve for x
x = 192,050,730,729,802.75/17,927,309.55 - Step 6: Final answer
x = 10,712,746.95
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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.