Finding the Fourth Proportional to 9,201,916.25, 12,697,897.74 and 5,334,686.53
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Solution
The fourth proportional to 9,201,916.25, 12,697,897.74 and 5,334,686.53 is: 7,361,434.52
Step by Step Solution
- Step 1: Write the proportion equation
9,201,916.25 : 12,697,897.74 = 5,334,686.53 : x - Step 2: Convert to fraction form
9,201,916.25/12,697,897.74 = 5,334,686.53/x - Step 3: Cross multiply
9,201,916.25x = 12,697,897.74 × 5,334,686.53 - Step 4: Simplify right side
9,201,916.25x = 67,739,303,956,069.24 - Step 5: Solve for x
x = 67,739,303,956,069.24/9,201,916.25 - Step 6: Final answer
x = 7,361,434.52
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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.