Finding the Fourth Proportional to 10,898,339.14, 15,038,931.18 and 6,487,830.82
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Solution
The fourth proportional to 10,898,339.14, 15,038,931.18 and 6,487,830.82 is: 8,952,744.08
Step by Step Solution
- Step 1: Write the proportion equation
10,898,339.14 : 15,038,931.18 = 6,487,830.82 : x - Step 2: Convert to fraction form
10,898,339.14/15,038,931.18 = 6,487,830.82/x - Step 3: Cross multiply
10,898,339.14x = 15,038,931.18 × 6,487,830.82 - Step 4: Simplify right side
10,898,339.14x = 97,570,041,209,462.97 - Step 5: Solve for x
x = 97,570,041,209,462.97/10,898,339.14 - Step 6: Final answer
x = 8,952,744.08
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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.