Finding the Fourth Proportional to 16,668,835.60, 24,963,931.80 and 10,298,736.40
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Solution
The fourth proportional to 16,668,835.60, 24,963,931.80 and 10,298,736.40 is: 15,423,809.99
Step by Step Solution
- Step 1: Write the proportion equation
16,668,835.60 : 24,963,931.80 = 10,298,736.40 : x - Step 2: Convert to fraction form
16,668,835.60/24,963,931.80 = 10,298,736.40/x - Step 3: Cross multiply
16,668,835.60x = 24,963,931.80 × 10,298,736.40 - Step 4: Simplify right side
16,668,835.60x = 257,096,953,115,777.53 - Step 5: Solve for x
x = 257,096,953,115,777.53/16,668,835.60 - Step 6: Final answer
x = 15,423,809.99
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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.