Finding the Fourth Proportional to 28,470,125.97, 39,288,794.58 and 15,417,399.06
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Solution
The fourth proportional to 28,470,125.97, 39,288,794.58 and 15,417,399.06 is: 21,276,021.93
Step by Step Solution
- Step 1: Write the proportion equation
28,470,125.97 : 39,288,794.58 = 15,417,399.06 : x - Step 2: Convert to fraction form
28,470,125.97/39,288,794.58 = 15,417,399.06/x - Step 3: Cross multiply
28,470,125.97x = 39,288,794.58 × 15,417,399.06 - Step 4: Simplify right side
28,470,125.97x = 605,731,024,626,225.12 - Step 5: Solve for x
x = 605,731,024,626,225.12/28,470,125.97 - Step 6: Final answer
x = 21,276,021.93
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.