Finding the Fourth Proportional to 8,756,830.23, 13,130,835.48 and 2,918,949.03
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Solution
The fourth proportional to 8,756,830.23, 13,130,835.48 and 2,918,949.03 is: 4,376,953.59
Step by Step Solution
- Step 1: Write the proportion equation
8,756,830.23 : 13,130,835.48 = 2,918,949.03 : x - Step 2: Convert to fraction form
8,756,830.23/13,130,835.48 = 2,918,949.03/x - Step 3: Cross multiply
8,756,830.23x = 13,130,835.48 × 2,918,949.03 - Step 4: Simplify right side
8,756,830.23x = 38,328,239,487,435.59 - Step 5: Solve for x
x = 38,328,239,487,435.59/8,756,830.23 - Step 6: Final answer
x = 4,376,953.59
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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.